ECAT Pre General Science Physics Chapter 3 MCQ Test With Answer

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

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ECAT Pre General Science Physics Chapter 3 Motion and Force

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Question # 1

The path followed by the projectile is known as:

Question # 2

If the values of instantaneous and average velocities are equal, the body is said to be moving with

Question # 3

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

Question # 4

When a force is applied on a body, several effects are possible Which of the following effect could not occur?

Question # 5

A lift is moving up with acceleration equal to 1/5 of that due to gravity. The apparent weight of a 60 kg man standing in lift is

Question # 6

If a ball comes back to its starting point after bouncing off the wall several times, then its

Question # 7

A ball of mass m moving with uniform speed collides elastically with another stationary ball. The incident ball will lose maximum kinetic energy when mass of the stationary ball is

Question # 8

A ball is thrown upwards with a velocity of 100 m/s. It will reach the ground after

Question # 9

The mass of the object is a quantities measure of its

Question # 10

Newton's laws are adequate for speeds that are

Question # 11

The effect of applying a force on a moving body is to change

Question # 12

A ball is dropped from a height of 4.2 meters. To what height it will rise if there is no loss of KE after rebounding?

Question # 13

A ball is dropped vertically down and it takes time t to reach the ground. At time t/2

Question # 14

The product of force and time is called

Question # 15


Swimming becomes possible because of______law of motion:

Question # 16

If two bodies of equal masses moving in the same direction collide elastically, then their velocities.

Question # 17

A man sitting in a bus travelling in a direction from west to east with a speed of 40 km/h observes that the rain drops are falling vertically down. To the another man standing on ground the rain will appear

Question # 18

A dirty carpet is to be cleaned by heating. This is an accordance with____ law of motion:

Question # 19

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

Question # 20

A body walks to his school at a distance of 6 km with a speed of 2.5 km/h and walks back with a constant speed of 5 km/h. His average speed for round trip expressed in km/h is

Question # 21

When a person jumps off the ground, the reaction force of the ground is

Question # 22

Root out of the conventional source of energy:

Question # 23

The mass of a body measured by a physical balance in a lift at rest is found to be m, if the lift is going up with an acceleration a, its mass will be measured as

Question # 24

If m means mass of gases objected per second from a rocket and v shows the change in velocity, than mv is named as:

Question # 25

An object thrown in arbitrary direction in space with an initial velocity and moving freely under gravity will follow

Question # 26

Acceleration of a body at any particular instant during its motion is known as

Question # 27

The direction of the acceleration is the same as that of

Question # 28

The artillery shells travel along parabolic paths under the influence of

Question # 29

The quantity F x t is called as

Question # 30

If the objects of different masses move with the same velocity, then it is more difficult to stop the

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Inertia mass and gravitational mass are
A. opposite
B. identical
C. identical when there is no friction
D. all of them
2 Inertial frame of references are those frame of references which are moving with
A. increasing velocity
B. decreasing velocity
C. constant velocity
D. all of them
3 A body moving with an acceleration of 5 m/sec2started with velocity of 10 m/sec. What will be the distance traversed in 10 seconds?
A. 150 m
B. 250 m
C. 350 m
D. 400 m
4 The SI units of momentum is
A. kg m s-2
B. kg ms
C. kg m s2
D. N-s
5 A body falls freely from rest. It covers as much distance in the last second of its motion as covered in the first three seconds. The body has fallen for a time of
A. 3 s
B. 5 s
C. 7 s
D. 9 s
6 A ball falls on the surface from 10 m height and rebounds to 2.5 m. if the duration of contact with the floor is 0.01 seconds then the average acceleration during contact is
A. 2100 m/s2
B. 1400 m/s2
C. 700 m/s2
D. 400 m/s2
7 The displacement coincides with the path of the motion when a body moves is a
A. curved line
B. straight line
C. may be curved or straight
D. none of them
8 If the velocity time graph is a straight line parallel to time-axis, then it means that:
A. The body is moving with uniform velocity
B. The body is moving with uniform acceleration
C. The body is at rest
D. None of above
9 If the acceleration of a body is not uniform, then velocity-time graph will be:
A. Curve
B. Straight line
C. Sphere
D. All of these
10 A man fires a bullet of mass 200 g at a speed of 5 m/s. The gun is of one kg mass. By what velocity the gun rebounds backwards?
A. 0.1 m/s
B. 10 m/s
C. 1 m/s
D. 0.01 m/s

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