ECAT Pre Engineering Physics Chapter 3 MCQ Test With Answer

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

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 # 2

A body is moving with constant velocity of 10 m/sec in the north-east direction. Then its acceleration will be:

Question # 3

A stone is dropped from rest from the top of a tower 19.6 m high. The distance traveled during the last second of its fall is (giving g=9.8 m/ss)

Question # 4

Laws of motion are not valid in a system which is

Question # 5


Swimming becomes possible because of______law of motion:

Question # 6

A vehicle of mass 120 kg is moving with a uniform velocity of 108 km/h. The force required to stop the vehicle in 10s is

Question # 7

What must be changing when a body is accelerating uniformly?

Question # 8

The slopes of the tangent at any point on the curve gives the value of the

Question # 9

If the velocity time graph is a straight line parallel to the time-axis, then it means:

Question # 10

The horizontal component of a projectile moving with initial velocity of 500 ms-1at an angle 60° to x-axis is

Question # 11

When brakes are applied to a fast moving car, the passengers will be thrown:

Question # 12

The SI units of momentum is

Question # 13

A ball is dropped from a certain height and another ball is projected horizontally from the same point. Which of the following statement is correct?

Question # 14

A motorist travels A to B at a speed at 40 km/h and returns at speed of 60km/h. His average speed will be

Question # 15

Range of a projectile is R, when the angle of projection is 30° . Then, the value of the other angle of projection for the same range, is

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The dimension of linear inertia is:
A. MLT2
B. ML0T-2
C. ML0T0
D. MLT-1
2 When brakes are applied to a fast moving car, the passengers will be thrown:
A. Forward
B. Backward
C. Downward
D. None of these
3 In above figures, tell which set of graphs shows that a body is moving with uniform velocity:
A. (i) and (ii)
B. (ii) and (iii)
C. (iii) and (iv)
4 Acceleration produced in a body by the force varies
A. inversely as the applied force
B. directly as the applied force
C. directly as the mass of the body
D. none of them
5 The motion in a plane is the motion in
A. one dimension
B. two dimension
C. three dimension
D. four dimension
6 If the values of instantaneous and average velocities are equal, the body is said to be moving with
A. uniform acceleration
B. uniform speed
C. variable velocity
D. uniform velocity
7 The dimension of linear inertia is:
A. MLT2
B. ML°T-2
C. ML°T°
D. MLT-1
8 The SI units of momentum is
A. kg m s-2
B. kg ms
C. kg m s2
D. N-s
9 One KWh is equal to:
A. 3.6 x 102J
B. 3.6 KJ
C. 3,6 x 101KJ
D. 3,6 MJ
10 Slope of velocity-time graph represents:
A. Acceleration
B. Speed
C. Torque
D. Work

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