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 entity which measures the quantity of motion in a body is called

Question # 2

Blomass includes:

Question # 3

When the surfaces are coated with a lubricant, then they

Question # 4

Slope of velocity-time graph represents:

Question # 5

Find the total displacement of a body in 8 seconds starting from rest with an acceleration of 20 cm/s2

Question # 6

Newton's first law is also called:

Question # 7

Rate of change of momentum is called

Question # 8

The expression F x t is called impulse if the time 't' is

Question # 9

Ethanol (alcohol) as a type of:

Question # 10

Acceleration produced in a body by a force varies

Question # 11

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

Question # 12

Unit of impulse in

Question # 13

By which velocity a ball be projected vertically so that the distance covered by it in 5th seconds is twice the distance it covers in its 6th second ( g=10m/s2)

Question # 14

If rope of lift breaks suddenly. The tension exerted by the surface of lift is (a=Acceleration of lift)

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Velocity of a body changes if
A. direction of the body changes
B. speed of the body changes
C. neither speed nor direction changes
D. either speed or direction changes
2 When we consider the average velocity of a body, then the body is moving in
A. straight line
B. curved path
C. may be in a straight or curved path
D. none of them
3 A car travels first half distance between two places with a speed of 30 km/h and remaining half with a speed of 50 km/h. The average speed of the car is
A. 37.5 km/h
B. 10 km/h
C. 42 km/h
D. 40 km/h
4 The velocity given to a body to go out of the influence of earth's gravity is known as:
A. Terminal velocity
B. Orbital velocity
C. Escape velocity
D. None of these
5 The mass of the object is a quantities measure of its
A. speed
B. velocity
C. acceleration
D. inertia
6 During the upward motion of the projectile, the vertical component of velocity.
A. Decreases
B. Increases
C. Remains constant
D. None of these
7 Acceleration in a body is always produced in the directin of:
A. Velocity
B. Weight
C. Force
D. Botha B and C
8 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
9 In velocity of a particle at an instant is 10 m/s and after 5s the velocity of the particle is 20 m/s. The velocity 3s before in m/s is
A. 8
B. 4
C. 6
D. 7
10 Distance covered by a freely failing body n the first second of its motion will be:
A. 4.9 m
B. 9.8 m
C. 19.6 m
D. 29.4 m

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