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

In the above figures, tell which set is graphs shows that a body is moving uniform velocity:

Question # 2

When the total displacement is divided by total time taken, we get:

Question # 3

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 # 4

If d is the displacement of the body in time t, then its average velocity will be

Question # 5

The path described by a projectile is called its

Question # 6

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

Question # 7

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

Question # 8

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 # 9

If the slope of the velocity-time graph increases at constant rate with time, then the body is said to have

Question # 10

When a horse pulls a cart, the force that makes the horse run forward is the force exerted by

Question # 11

A cold soft drink is kept on the balance. When the cap is opened, then the weight

Question # 12

Distance traveled by a body falling from rest in the first, second and third second is in the ration of

Question # 13

Distance covered by a freely falling body in 2 sec will be

Question # 14

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 # 15

The vertical component of velocity of a projectile during its motion is minimum

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The decrease in velocity per unit time is called:
A. Variable Acceleration
B. Average Acceleration
C. Retardation
D. None of these
2 When a shell explodes in mid-air, its fragments fly off in
A. only one direction
B. in two direction
C. different directions
D. a particular direction
3 A mass of 5kg moves with an acceleration of 10m s-2force applied is
A. 10N
B. 50N
C. 2N
D. 20N
4 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?
A. 4 m/s
B. 2 m/s
C. 8 m/s
D. 1 m/s
5 The discuss used by athlete has a mass of 1 kg, its weight in newton is
A. 9.8 N
B. 80 N
C. 98 N
D. 100 N
6 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?
A. 4.2 m
B. 8.4
C. 12.6
D. None of these
7 The consumption of energy by a 1000 watt heter in half an hour is:
A. 5 Kwh
B. 0.5 Kwh
C. 2.5 Kwh
D. 3.2 Kwh
8 Root out the conventional source of energy:
A. Energy from blomass
B. hydroelectric energy
C. Geothermal energy
D. None of these
9 An aircraft is moving with a velocity of 300 ms-1. If all the forces acting on it are balanced, then
A. It still moves with the same velocity
B. It will be just floating at the same point in space
C. It will be fall down instantaneously
D. It will lose its velocity gradually
10 The quantity F x t is called as
A. momentum
B. velocity
C. acceleration
D. impulse

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