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

The mass of the object is a quantities measure of its

Question # 2

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 # 3

Rate of change of momentum is called

Question # 4

Which one of the following is dimensionless:

Question # 5

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

Question # 6

The quantity F x t is called as

Question # 7

A ball is dropped downwards After 1 second another ball is dropped downwards from the same point. What is the distance between them after 3 seconds

Question # 8

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 # 9

The discuss used by athlete has a mass of 1 kg, its weight in newton is

Question # 10

Two bodies of masses 1 kg and 5 kg are dropped gently form the top of a tower. A a point 20 cm from the ground both the bodies will have the same

Question # 11

In equation F=ma, then mass 'm' is

Question # 12

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

Question # 13

A body whose momentum is constant must have constant

Question # 14

Which one of the following is dimensionless.

Question # 15

A body of mass 5 kg is acted upon by a constant force of 20 n for 7 seconds. The total change in momentum will be:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The time of flight of a projectile motion equal to
A. half of the time to reach maximum height
B. twice the time to reach maximum height
C. one fourth of time to reach maximum height
D. time to reach maximum height
2 The product of force and time is called change in:
A. Momentum
B. Impulse
C. Force
D. Both a and b
3 What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?
A. 4 : 5
B. 7 : 9
C. 16 : 25
D. 1 : 1
4 Bodies failing freely under gravity provide good example of motion under
A. non-uniform acceleration
B. uniform acceleration
C. variable acceleration
D. increasing acceleration
5 A car moves for half of its time at 80 km/h and rest half of time at 40 km/h, The total distance covered is 60 km. What is the average speed of the car?
A. 60 km/hr
B. 80 km/hr
C. 120 km/hr
D. 180 km/hr
6 The SI units of momentum is
A. kg m s-2
B. kg ms
C. kg m s2
D. N-s
7 An inertial frame of reference is that frame of reference in which
A. a = 0
B. a > 0
C. a < 0
D. all of them
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 In the expression F x t, the force F is
A. total force
B. instantaneous force
C. average force
D. all of them
10 The consumption source if energy is:
A. Energy from blomass
B. Hydroelectric energy
C. Geothermal energy
D. None of these

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