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

Flight of rocket in the space is an example of

Question # 2

A 120 m long train is moving in a direction with speed 20 m/s. A train B moving with 30 m/s in the opposite direction and 130 m long crosses the first train in a time

Question # 3

The vertical component of velocity of a projectile during its motion is minimum

Question # 4

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

Question # 5

A stone is dropped from rest from the top of a tower 19.6 m high. The distance traveled during the last second of its fall is (giving g=9.8 m/ss)

Question # 6

The range of projectile is 50 m whenθ is inclined with horizontal at 15°. What is the range whenθ becomes 45°?

Question # 7

Earth is considered to be

Question # 8

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 # 9

Two bullets are fired simultaneously, horizontally and with different speeds from the same place. Which bullet will hit the ground first?

Question # 10

Acceleration in a body is always produced in the direction of :

Question # 11

When a shell explodes in mid-air, its fragments fly off in

Question # 12

The time of flight of a projectile motion equal to

Question # 13


Swimming becomes possible because of______law of motion:

Question # 14

If the water falls from a dam into a turbine wheel 19.6 m below, then the velocity of water at the turbine, is (Take g=9.8 m/s2)

Question # 15

The horizontal component of a projectile moving with initial velocity of 500 ms-1at an angle 60° to x-axis is

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 When two protons are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
2 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
3 A ball is dropped from a height of 4.2 meters. To what height it will rise if there is no loss of KE after rebounding?
A. 4.2 m
B. 8.4
C. 12.6
D. None of these
4 If the velocity time graph is a straight line parallel to time-axis, then it means that:
A. The body is moving with uniform velocity
B. The body is moving with uniform acceleration
C. The body is at rest
D. None of above
5 Inertia mass and gravitational mass are
A. opposite
B. identical
C. identical when there is no friction
D. all of them
6 What must be changing when a body is accelerating uniformly?
A. the force acting on a body
B. the velocity of the body
C. the mass of the body
D. the speed of the body
7 When a bicycle is in motion, the frictional forces exerted by the ground are
A. In the forward direction on both the wheels
B. In the backward direction on both the wheels
C. In the forward direction on the front wheel and the backward direction on the rear wheel
D. In the backward direction on the front wheel and the forward direction on the rear wheel
8 An aircraft is moving with a velocity of 300 ms-1. If all the forces acting on it are balanced, then
A. It still moves with the same velocity
B. It will be just floating at the same point in space
C. It will be fall down instantaneously
D. It will lose its velocity gradually
9 Linear momentum is a
A. fixed quantity
B. constant quantity
C. scalar quantity
D. vector quantity
10 An object thrown in arbitrary direction in space with an initial velocity and moving freely under gravity will follow
A. a circular path
B. a straight line
C. a hyperbola
D. a parabola

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