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

Slope of velocity-time graph represents:

Question # 2

Root out of the conventional source of energy:

Question # 3

If a train traveling at 72 kmph is to be brought to rest in a distance of 200 meters then its retardation should be

Question # 4

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

Question # 5

The vertical and horizontal range will be equal id angle of projection is

Question # 6

The second law gives the relationship between

Question # 7

Change in momentum is one second called.

Question # 8

The instantaneous velocity is define as the limiting value of Δd/Δt on the time intervalΔt approaches to

Question # 9

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

Question # 10

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

Question # 11

The linear momentum of the body is defined as

Question # 12

If an iron ball and a wooden ball of the same radius was released from a height 'h' in vacuum, then time taken by both of them to reach ground will be

Question # 13

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

Question # 14

A train is moving with a velocity of 25 m/s and a car is moving behind it by a velocity of 8 m/s in same direction. The relative velocity of train with respect to car is

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The vertical and horizontal range will be equal id angle of projection is
A. 76°
B. 45°
C. 60°
D. 120°
2 Which quantity has the same dimension as that of impulse?
A. KE
B. Power
C. Momentum
D. Work
3 The velocity of a projectile is maximum
A. at the point of projection
B. just before striking the ground
C. at none of them
D. at both of them
4 A mass of 5kg moves with an acceleration of 10m s-2force applied is
A. 10N
B. 50N
C. 2N
D. 20N
5 The distance covered by a body in unit time is called.
A. Displacement
B. speed
C. Velocity
D. Both B and C
6 When a shall explodes a mid-air, the total momentum of its fragments is
A. less than the momentum of shell
B. equal to the momentum of shell
C. greater than the momentum of shell
D. none of them
7 A body is moving with constant velocity of 10 m/sec in the north east direction. Then its acceleration will be:
A. 10 m/sec2
B. 20 m/sec2
C. 30 m/sec2
D. Zero
8 A ball is dropped from a height of 4.2 meters. To what height will take it rise if there is no loss of KE after rebounding?
A. 4.2 m
B. 8.4 m
C. 12.6 m
D. none of these
9 The motion of a body in a straight line is the motion in
A. one dimension
B. two dimension
C. three dimension
D. four dimension
10 Blomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these

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