ECAT Pre Engineering Physics Chapter 3 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 3 Motion and Force

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 3 Motion and Force

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Physics ECAT Pre Engineering Chapter 3 Motion and Force

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Question # 1

Distance covered by a freely failing body n the first second of its motion will be:

Question # 2

Rate of change of momentum is called

Question # 3

What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?

Question # 4

During the upward motion of the projectile, the vertical component of velocity.

Question # 5

Velocity is a

Question # 6

When a body is moving with uniform positive acceleration, the velocity- time graph is a straight line. Its slope is

Question # 7

Which of the following is not a projectile

Question # 8

A boat of mass 40 kg is at rest, A dog of mass 4 kg moves in the boat with a velocity of 10 m/s. What is the velocity of boat?

Question # 9

If the instantaneous velocity of a body does not change. the body is said to be moving with

Question # 10

A body is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about

Question # 11

A snooker ball moving with velocity V collides head on with another snooker ball of same mass at rest. If the collision is elastic, the velocity of second snooker ball is

Question # 12

The velocity of a projectile is maximum

Question # 13

The quantity F x t is called as

Question # 14

A train of 150 m length is going towards north direction at a speed of 10 ms-1. A parrot files at a speed of 5 ms-1towards south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to

Question # 15

Rocket engines lift a rocket from the earth surface, because hot gas with high velocity

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The second law gives the relationship between
A. mass and velocity
B. force and acceleration
C. velocity and acceleration
D. mass and weight
2 A dirty carpet is to be cleaned by heating. This is in according with______law of motion.
A. First
B. Second
C. Third
D. None of these
3 Inertia mass and gravitational mass are
A. opposite
B. identical
C. identical when there is no friction
D. all of them
4 Change in momentum is one second called.
A. Impulse
B. Force
C. Energy
D. Work
5 A certain force gives an acceleration of 2 m/sec2 to a body if mass 5 kg. The same force would give a 29 kg object an acceleration of:
A. 0.5 m/sec2
B. 5 m/sec2
C. 1.5 m/sec2
D. 9.8 m/sec2
6 When the mass of the colliding body is much larger than the mass of the body at rest, its velocity after collision.
A. Becomes half
B. Becomes zero
C. Ramains same
D. Becomes double
7 Which of the following statements for an object in equilibrium is not true?
A. The object must be at rest
B. The object can be at rest
C. The object is moving at constant speed
D. The acceleration of the object is zero
8 The mass of the object is a quantities measure of its
A. speed
B. velocity
C. acceleration
D. inertia
9 During the upward motion of the projectile, the vertical component of velocity.
A. Decreases
B. Increases
C. Remains constant
D. None of these
10 Which of the following is not a projectile
A. a bullet fired from a gun
B. a space ship
C. a football in air
D. an artillery shell

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