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

For a moving body, at any instant of time

Question # 2

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

Question # 3

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

Question # 4

Inertial frame of references are those frame of references which are moving with

Question # 5

The quantity F x t is called as

Question # 6

A force of 50 dynes is acted on a body of mass 5 g which is at rest, for an interval of 3 seconds, then impulse is

Question # 7

The artillery shells travel along parabolic paths under the influence of

Question # 8

Bodies failing freely under gravity provide good example of motion under

Question # 9

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

Question # 10

One newton is a force that produces an acceleration of 0.5 m/sec2in a body of mass:

Question # 11

The consumption of energy by a 1000 watt heter in half an hour is:

Question # 12

One KWh is equal to:

Question # 13

A body moving with uniform velocity has

Question # 14

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?

Question # 15

A particle of mass 0.5 g moving along x-axis is located of x1= 15 m at t1= 5s and x2= 33 m at t2= 13s its average velocity is

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A body moving with an acceleration of 5 m/sec2started with velocity of 10 m/sec. What will be the distance traversed in 10 seconds?
A. 150 m
B. 250 m
C. 350 m
D. 400 m
2 Change in momentum is one second called.
A. Impulse
B. Force
C. Energy
D. Work
3 Body which falls freely under gravity provides good example of motion under:
A. Uniform acceleration
B. Non-uniform acceleration
C. Uniform velocity
D. None of these
4 If a ball comes back to its starting point after bouncing off the wall several times, then its
A. total displacement is zero
B. average velocity is zero
C. none of them
D. both 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 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
A. 40 km/h
B. 48 km/h
C. 50 km/h
D. 60 km/h
7 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
8 If the velocity of the body decreases non-uniformly then the slope of the velocity-time graph will have
A. different values
B. same values
C. zero valves
D. constant valves
9 Bodies failing freely under gravity provide good example of motion under
A. non-uniform acceleration
B. uniform acceleration
C. variable acceleration
D. increasing acceleration
10 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

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