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

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 # 2

Earth is considered to be

Question # 3

For a fixed force, larger is the mass of a body the

Question # 4

Root out the conventional source of energy:

Question # 5

Slope of velocity-time graph represents:

Question # 6

The collision in which KE is conserved but momentum is not conserved is called:

Question # 7

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 # 8

A body is moving with constant velocity of 10 m/sec in the north-east direction. Then its acceleration will be:

Question # 9

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

Question # 10

A rocket carries its own fuel in the form of

Question # 11

Change in momentum is one second called.

Question # 12

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

Question # 13

The area under line velocity-time graph is numerically equal to the

Question # 14

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

Question # 15

An airplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically above a point A on the ground, a bomb is released from it. The bomb strikes the ground, at point B. The distance AB is

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Newton's laws are adequate for speeds that are
A. low compared with the speed of light
B. equal to the speed of light
C. greater than the speed of light
D. all of them
2 A ball is thrown upwards with a velocity of 100 m/s. It will reach the ground after
A. 10 s
B. 20 s
C. 5 s
D. 40 s
3 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
4 The linear momentum of the body is defined as
A. p=ma
B. p=1/2ma
C. p=mv
D. p=1/2mv
5 Earth is considered to be
A. a non-inertial frame
B. an inertial frame
C. an accelerated frame
D. none of the above
6 The dimension of linear inertia is:
A. MLT2
B. ML0T-2
C. ML0T0
D. MLT-1
7 When the surfaces are coated with a lubricant, then they
A. Stick to each other
B. Slide upon each other
C. Roll upon each other
D. None of these
8 If the acceleration of a body is not uniform, then velocity-time graph will be:
A. Curve
B. Straight line
C. Sphere
D. All of these
9 The vertical and horizontal range will be equal id angle of projection is
A. 76°
B. 45°
C. 60°
D. 120°
10 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

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