ICS Part 1 Physics English Medium Chapter 3 Online Short Questions Test with Answers

Online Short Questions For Chapter 3 "ICS Part 1 Physics Chapter 3 Short Questions Test "

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Physics - ICS Part 1 Physics Chapter 3 Short Questions Test

Question # 1

Define Impulse ? Show that impulse is equal to change in momentum show that J= P

Ans 1: Impulse: The product of forces and duration of time in which the force acts is known as impulse.

Question # 7

Discuss the condition of equilibrium ?

Ans 1:
Newtons 1st Law of motion: This Law states that "A body at rest will remain at rest and a body in motion will continue its motion with uniform velocity unless it is acted upon by some unbalanced external force
If F = 0 Then a = 0
Explanation: The Ist law of motion is also known as law of inertia. The inertia is the property of a body which opposes any change in its state of motion or rest. Actually, when some force is applied on a body for changing its state of rest or uniform motion, then the body will affer resistance against this change. In the word, We can say that all the bodies try to maintain its state of rest or continue its uniform motion due to inertia. That is the why the newtons Ist law is also known as law of inertia.
Examples:When we give a jerk to the branch of a tree, then the fruit falls down. It is because, when we give a jerk, the branch of the tree comes into motion suddenly.
When a bus starts motion suddenly, the passengers experience a push in the back ward direction It is because, when the bus starts motion suddenly, the lower parts of the passenger in contact with the seats also come into motion. while the upper parts of the passengers are at remain at the rest In this attempt, they falls in the back words directions
Newton's 2nd Law of motion:
Statements: This law states that, "when a force is applied on a body, then acceleration is produced in the body in the direction of applied force and inversely proportional to the mass of the body.
Explanation: The Ist Law of motion gives us the quantitative measurements of force, While the 2nd law of motion gives us the quantitative measurements of forces. now if the direction of motion of the body and direction of motion of the body and direction of forces are the same, then its velocity and acceleration increases. If the direction of motion of the body and direction of force are opposite in direction of force are opposite in direction, then the velocity and acceleration of the body will decreases gradually and finally become zero and the body will come to rest
Example of newtons 2nd law of motion:
When a body falls on a solid floor from the top of a building, the body experience or feel great pain. It is because, when the body falls on the floor, its acceleration become zero suddenly and the body faces huge force for very short period of time
Newton,s 3rd Law of motion:
This Law states that for every action, there is always a reaction. These forces are equal in magnitude but opposite in direction.
Explanation: This law tells us that no body can experience a force from its surrounding, until this body exerts any force on its surrounding It means That forces are exerted in pairs.

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ICS Part 1 Physics Chapter 3 Short Questions Test - Set 1

Question # 1

Define Impulse ? Show that impulse is equal to change in momentum show that J= P

Ans 1: Impulse: The product of forces and duration of time in which the force acts is known as impulse.

Question # 7

Discuss the condition of equilibrium ?

Ans 1:
Newtons 1st Law of motion: This Law states that "A body at rest will remain at rest and a body in motion will continue its motion with uniform velocity unless it is acted upon by some unbalanced external force
If F = 0 Then a = 0
Explanation: The Ist law of motion is also known as law of inertia. The inertia is the property of a body which opposes any change in its state of motion or rest. Actually, when some force is applied on a body for changing its state of rest or uniform motion, then the body will affer resistance against this change. In the word, We can say that all the bodies try to maintain its state of rest or continue its uniform motion due to inertia. That is the why the newtons Ist law is also known as law of inertia.
Examples:When we give a jerk to the branch of a tree, then the fruit falls down. It is because, when we give a jerk, the branch of the tree comes into motion suddenly.
When a bus starts motion suddenly, the passengers experience a push in the back ward direction It is because, when the bus starts motion suddenly, the lower parts of the passenger in contact with the seats also come into motion. while the upper parts of the passengers are at remain at the rest In this attempt, they falls in the back words directions
Newton's 2nd Law of motion:
Statements: This law states that, "when a force is applied on a body, then acceleration is produced in the body in the direction of applied force and inversely proportional to the mass of the body.
Explanation: The Ist Law of motion gives us the quantitative measurements of force, While the 2nd law of motion gives us the quantitative measurements of forces. now if the direction of motion of the body and direction of motion of the body and direction of forces are the same, then its velocity and acceleration increases. If the direction of motion of the body and direction of force are opposite in direction of force are opposite in direction, then the velocity and acceleration of the body will decreases gradually and finally become zero and the body will come to rest
Example of newtons 2nd law of motion:
When a body falls on a solid floor from the top of a building, the body experience or feel great pain. It is because, when the body falls on the floor, its acceleration become zero suddenly and the body faces huge force for very short period of time
Newton,s 3rd Law of motion:
This Law states that for every action, there is always a reaction. These forces are equal in magnitude but opposite in direction.
Explanation: This law tells us that no body can experience a force from its surrounding, until this body exerts any force on its surrounding It means That forces are exerted in pairs.

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ICS Part 1 Physics Chapter 3 Short Questions Test - Set 2

Question # 1

Why Newton's first law of motion is known as law of inertia?

Ans 1: Newton's first law of motion is:
A body at rest will remain at rest and a body moving with uniform velocity will continue to do so unless acted upon by some unbalanced external force.
It is based on mass and inertia is the quantitative measure of an object's mass. So Newton's first law of motion is also Known as law of inertia.

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ICS Part 1 Physics Chapter 3 Short Questions Test - Set 3

Question # 1

Define the following terms?
Position,
Uniforms
speed,
variable speed
average speed,
Instantaneous speed,

Ans 1: Position:The location of an object relative to some reference point origin is known as position.
Speed:The distance between covered by a moving body in one second is known as speed
Speed = Distance covered /Time
The speed is a scalar quantity. Its S.I unit is " m/sec" .
Uniform Speed:A body is said to be moving with uniform speed, if it equal distance in equal intervals of time.
Variable Speed:A body is said to be moving with variable speed if it covers unequal distance in equal intervals of time.
Average Speed:The average speed of a moving body can be atained by dividing total distance covered by total time taken
Instantaneous Speed:The speed of a body at any particular instant of time is known as instantaneous speed.

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ICS Part 1 Physics Chapter 3 Short Questions Test - Set 4

Question # 1

Write two object?

Ans 1: Velocity time graph can be used to
1. Calculate the distance covered by the body .
2. Find the instantaneous acceleration of the body.

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ICS Part 1 Physics Chapter 3 Short Questions Test - Set 5

Question # 1

Define linear momentum ? Express Newton,s 2nd Law in terms of momentum?

Ans 1:

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ICS Part 1 Physics Chapter 3 Short Questions Test - Set 6

Question # 1

Define inertial and non-inertial frame of references.

Ans 1: Inertial Frame of References: The frame of reference in which Newton's first law holds is called inertial frame of reference. It is not an accelerated frame of reference.e.g,, Earth is approximately an inertial frame of reference.
Non-Inertial Frame of Reference: The frame of reference in which Newton's first law does not hold true is called non-inertial frame of reference.It is an accelerated frame of reference e.g., Space ship etc.

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ICS Part 1 Physics Short Questions Test

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ICS Part 1 Physics English Medium Chapter 3 Online Short Questions Test with Answers

Online Short Questions For Chapter 3 "ICS Part 1 Physics Chapter 3 Short Questions Test "

Physics - ICS Part 1 Physics Chapter 3 Short Questions Test

Define Impulse ? Show that impulse is equal to change in momentum show that J= P

What is projectile motion? In what direction acceleration is zero in this motion?

Motion with constant velocity is a special case of motion with constant acceleration.Is this statement true?

Distinguish between elastic and inelastic collision.

Define total of flight. Derive a mathematical expression for it ?

Show that for the same initial speed and some range of projectile there are two mutually complementary angles of projection ?

Discuss the condition of equilibrium ?

Derive the 3rd equation of motion?

What is the change in total energy during elastic or inelastic collisions?

Why ballistic missiles are not useful for long ranges?

Prepare Complete Set Wise Questions For Chapter 3 "ICS Part 1 Physics Chapter 3 Short Questions Test "

Set 1

Set 2

Set 3

Set 4

Set 5

Set 6

ICS Part 1 Physics Chapter 3 Short Questions Test - Set 1

Define Impulse ? Show that impulse is equal to change in momentum show that J= P

What is projectile motion? In what direction acceleration is zero in this motion?

Motion with constant velocity is a special case of motion with constant acceleration.Is this statement true?

Distinguish between elastic and inelastic collision.

Define total of flight. Derive a mathematical expression for it ?

Show that for the same initial speed and some range of projectile there are two mutually complementary angles of projection ?

Discuss the condition of equilibrium ?

Derive the 3rd equation of motion?

What is the change in total energy during elastic or inelastic collisions?

Why ballistic missiles are not useful for long ranges?

ICS Part 1 Physics Chapter 3 Short Questions Test - Set 2

Why Newton's first law of motion is known as law of inertia?

Define ballistics flight and ballistic trajectory.

What is projectile motion? In what direction acceleration is zero in this motion?

Name the quantities which can be calculated from velocity-time graph and these can be calculated ?

Can the velocity of an object reverse the direction when acceleration is constant? If so, given an example.

Discuss the sign of acceleration due to gravity relative to velocity,while the object in in air?

Discuss the displacement-time Graph?

Define maximum height of projectile? Derive a mathematical expression for maximum height of projectile ?

Define the following terms?AccelerationUniform AccelerationVariable AccelerationRadical AccelerationLinear AccelerationPositive AccelerationNegative AccelerationInstantaneous Acceleration

Derive its equation of motion ?

ICS Part 1 Physics Chapter 3 Short Questions Test - Set 3

Define the following terms?Position,Uniformsspeed,variable speedaverage speed,Instantaneous speed,

Name the quantities which can be calculated from velocity-time graph and these can be calculated ?

State Newton's third law of motion and give at least two examples.

Derive the 3rd equation of motion?

Distinguish between elastic and inelastic collision.

What is projectile motion? In what direction acceleration is zero in this motion?

What is the change in total energy during elastic or inelastic collisions?

What is meant by perfectly elastic head-on-collision ?discuss the elastic collision in one dimension and find the mathematical equation for calculating the final velocities of colliding objects in one dimension?

Discuss the momentum changes produced by explosive forces ?

Define momentum and write down its unit.

ICS Part 1 Physics Chapter 3 Short Questions Test - Set 4

Write two object?

Write any two properties of inertial frame of reference.

What is the effect on the speed of a fighter plane chasing another when it opens the fire? What happens to the speed of purdued plane when it returns the fire?

Derive its equation of motion ?

What is ballistic missile? Define ballistic trajectory.

Derive the 2nd equation of motion ?

Define ballistics flight and ballistic trajectory.

Define the following terms?Velocity,Uniform Velocity,Variable Velocity,Average Velocity.Instantaneous Velocity.

What are the factors upon which force due to water depend?

Behaviour of bouncing ball?

ICS Part 1 Physics Chapter 3 Short Questions Test - Set 5

Define linear momentum ? Express Newton,s 2nd Law in terms of momentum?

At what point or points in its path does a projectile have its minimum speed,its maximum speed?

Write any two properties of inertial frame of reference.

Define Distance and displacement ?

Define Impulse ? Show that impulse is equal to change in momentum show that J= P

Discuss the displacement-time Graph?

Find on expression for horizontal rang of projectile?

What is isolated system ? State and explain the law conservation of linear momentum. with an example ?

Define the following terms?
Acceleration
Uniform Acceleration
Variable Acceleration
Radical Acceleration
Linear Acceleration
Positive Acceleration
Negative Acceleration
Instantaneous Acceleration

Define the following terms?
Position,
Uniforms
speed,
variable speed
average speed,
Instantaneous speed,

Define the following terms?
Velocity,
Uniform Velocity,
Variable Velocity,
Average Velocity.
Instantaneous Velocity.