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

In an elevator moving vertically up with an acceleration 'g' the force exerted on the floor by a passenger of mass M is

Question # 2

If the velocity time graph is a straight line parallel to the time-axis, then it means:

Question # 3

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 # 4

Two projectiles are fired from the same point with the same speed at angles of projection 60° and 30° respectively. Which one of the following is true?

Question # 5

Newton published laws of motion in his famous book "principia" in

Question # 6

Dimensions of velocity are

Question # 7

A ball is thrown upwards with a velocity of 100 m/s. It will reach the ground after

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

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

Question # 10

Force is a:

Question # 11

If a ball comes back to its starting point after bouncing off the wall several times, then its

Question # 12

The slopes of the tangent at any point on the curve gives the value of the

Question # 13

Acceleration of a body is positive, if the velocity of the body is

Question # 14

A typical rocket consumes about

Question # 15

A typical rocket ejects the burnt gases at speeds over

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Earth is considered to be
A. a non-inertial frame
B. an inertial frame
C. an accelerated frame
D. none of the above
2 When a bicycle is in motion but not pedaled, the force of friction exerted by the ground on the two wheels is such that it acts
A. In the backward direction on the front wheel and in the forward direction on the rear wheel
B. In the forwards directions on the front wheel and in the backward direction on the rear wheel
C. In the forward direction on both the wheels
D. In the backward direction on both the wheels
3 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
4 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?
A. 0.1 m/s
B. 10 m/s
C. 1 m/s
D. 0.01 m/s
5 For a fixed force, larger is the mass of a body the
A. greater is its acceleration
B. smaller is its acceleration
C. smaller is its weight
D. zero is its acceleration
6 If d is the displacement of the body in time t, then its average velocity will be
A. Vav= d x t
B. Vav = t/d
C. Vav = d/t
D. Vav = d/t
7 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
8 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
9 The distance covered by a body in unit time is called.
A. Displacement
B. speed
C. Velocity
D. Both B and C
10 In the above figures, tell which set is graphs shows that a body is moving uniform velocity:
A. (i) and (ii)
B. (ii) and (iii)
C. (i) and (iii)
D. (ii) and (iv)

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