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

A ball is dropped vertically down and it takes time t to reach the ground. At time t/2

Question # 2

Distance covered by a freely failing body n the first second of its motion will be:

Question # 3

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

Question # 4

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?

Question # 5

A ball falls on the surface from 10 m height and rebounds to 2.5 m. if the duration of contact with the floor is 0.01 seconds then the average acceleration during contact is

Question # 6

When the mass of the colliding body is much larger than the mass of the body at rest, its velocity after collision.

Question # 7

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

Question # 8

Work done along a closed path in a gravitational field is:

Question # 9

A man fires a bullet of mass 200 g at a speed of 5 m/s. The gun is of one kg mass. By what velocity the gun rebounds backwards?

Question # 10

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 # 11

Force is a:

Question # 12

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?

Question # 13

Change in momentum is one second called.

Question # 14

A body is thrown from a height h with speed u, it hits the ground with speed V

Question # 15

Unit of impulse in

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which one of the following is dimensionless.
A. Acceleration
B. Velocity
C. Density
D. Angle
2 Change in momentum is one second is called:
A. Impulse
B. Force
C. Energy
D. Work
3 Root out of the conventional source of energy:
A. Energy from biomass
B. Hydroelectric energy
C. Geothermal energy
D. None of these
4 The artillery shells travel along parabolic paths under the influence of
A. magnetic field
B. electric field
C. electromagnetic field
D. gravitational field
5 The direction of the acceleration is the same as that of
A. speed
B. velocity
C. both of them
D. none of them
6 Velocity is a
A. scalar quantity
B. vector quantity
C. constant quantity
D. none of them
7 Flight of rocket in the space is an example of
A. Newton's first law
B. Newton's third law
C. Newton's second law
D. all of them
8 Distance traveled by a body falling from rest in the first, second and third second is in the ration of
A. 1 : 2 : 3
B. 1 : 3 : 5
C. 1 : 4 : 9
D. None of the above
9 The displacement coincides with the path of the motion when a body moves is a
A. curved line
B. straight line
C. may be curved or straight
D. none of them
10 Rate of change of momentum is called
A. Impulse
B. Force
C. Torque
D. Momentum

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