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

What is ballistic missile? Define ballistic trajectory.

Ans 1: The missile in which it is given an initial push and is then allowed to move freely due to inertia and under the action of gravity is called ballistic and the path followed by such a projectile is called ballistic trajectory.

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

Question # 1

What is ballistic missile? Define ballistic trajectory.

Ans 1: The missile in which it is given an initial push and is then allowed to move freely due to inertia and under the action of gravity is called ballistic and the path followed by such a projectile is called ballistic trajectory.

Question # 8

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

What is Ballistic Flight and Ballistic Missile?

Ans 1: The flight in which projects is given an initial and is then allowed to move freely due to inertia and under the action of gravity is called ballistic flight.
Ballistic missile is an unpowered and unguided missile.The flight of Ballistic missile is Ballistic flight.

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

Question # 1

Discuss the momentum changes produced by explosive forces ?

Ans 1: There are many cases where momentum changes are produced by explosive forces within an isolated system. It can be explain with the help of following Example:
When a sheel explodes in mind-air its fragment fly apart in different direction. the various forces which occur in the explosion have zero resultant, because they cancel the effect of each other. so the total moments of the fragments is equal to the initial momentum of the sheel.

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

Question # 1

Write any two properties of inertial frame of reference.

Ans 1:
1. A non-accelerated frame of reference is an inertial frame of reference.
2. Newton's 1st law of motion holds good in an inertial frame of reference.

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

Question # 1

Define free fall motion? Also define the acceleration due to gravity ?

Ans 1: If we drop an object from certain height height 'h' and ignore the air resistance then such motion of the body is known as free fall motion. the acceleration of free fall body is known as acceleration due to gravity.
It is represented by 'g' Its value varies with altitude and depth. On earth surface or near earth surface its value is 9.8 m/sec²

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

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 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

What is ballistic missile? Define ballistic trajectory.

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

Discuss the velocity-Time Graph ?

Define Collision ? Discuss the type of collision?Give example in each case?

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

Why ballistic missiles are not useful for long ranges?

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

Discuss the condition of equilibrium ?

What is the difference between uniform and variable velocity?

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

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

What is ballistic missile? Define ballistic trajectory.

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

Discuss the velocity-Time Graph ?

Define Collision ? Discuss the type of collision?Give example in each case?

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

Why ballistic missiles are not useful for long ranges?

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

Discuss the condition of equilibrium ?

What is the difference between uniform and variable velocity?

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

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

What is Ballistic Flight and Ballistic Missile?

Define ballistics flight and ballistic trajectory.

Define Force? Define its SI unit ?

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

Derive an equation for the position vector of projectile?

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

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

What is ballistic missile? Define ballistic trajectory.

State and explain Newton's second law of motion.

Discuss the velocity-Time Graph ?

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

Discuss the momentum changes produced by explosive forces ?

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

Write any two properties of inertial frame of reference.

Discuss the displacement-time Graph?

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

How is the distance calculated from velocity time graph?

What is ballistic missile? Define ballistic trajectory.

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

Under what conditions a body can move with uniform acceleration?

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

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

Write any two properties of inertial frame of reference.

Derive the 2nd equation of motion ?

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

State law of inertia?

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?

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?

What is Ballistic Flight and Ballistic Missile?

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

What is the difference between uniform and variable velocity?

Distinguish between elastic and inelastic collision.

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

Define free fall motion? Also define the acceleration due to gravity ?

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?

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

Discuss the displacement-time Graph?

What is a Ballistic Flight?

What is Ballistic Flight and Ballistic Missile?

Define Collision ? Discuss the type of collision?Give example in each case?

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

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

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