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

The time of flight of a projectile motion equal to

Question # 2

An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:

Question # 3

A body falls freely from rest. It covers as much distance in the last second of its motion as covered in the first three seconds. The body has fallen for a time of

Question # 4

When a bicycle is in motion, the frictional forces exerted by the ground are

Question # 5

The SI units of momentum is

Question # 6

A train is moving with a velocity of 25 m/s and a car is moving behind it by a velocity of 8 m/s in same direction. The relative velocity of train with respect to car is

Question # 7

During the upward motion of the projectile, the vertical component of velocity:

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

If the slope of the velocity-time graph increases at constant rate with time, then the body is said to have

Question # 10

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

Question # 11

For maximum linear distance of travel, a projectile must be fired at an angle of

Question # 12

A cold soft drink is kept on the balance. When the cap is opened, then the weight

Question # 13

For a moving body, at any instant of time

Question # 14

Range of a projectile is R, when the angle of projection is 30° . Then, the value of the other angle of projection for the same range, is

Question # 15

Which one of the following is dimensionless.

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
A. 25 m
B. 20 m
C. 50 m
D. 9.8 m
2 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
A. 0.15 x 10-3Ns
B. 0.98 x 10-3Ns
C. 1.5 x 10-3Ns
D. 2.5 x 10-3Ns
3 The vertical component of velocity of a projectile during its motion is minimum
A. at the time of projection
B. at the highest point
C. just before hitting the plane of projection
D. all of them
4 Graphs which are used to illustrate the variation of velocity of an object with time are called
A. distance time graphs
B. speed time graphs
C. velocity time graphs
D. acceleration time graphs
5 The motion in a plane is the motion in
A. one dimension
B. two dimension
C. three dimension
D. four dimension
6 Range of a projectile is R, when the angle of projection is 30° . Then, the value of the other angle of projection for the same range, is
A. 45°
B. 60°
C. 50°
D. 40°
7 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
A. 6 m s-1
B. 2.45 m s-1
C. 2.25 m s-1
D. 4.45 m s-1
8 The velocity given to a body to go out of the influence of earth's gravity is known as:
A. Terminal velocity
B. Orbital velocity
C. Escape velocity
D. None of these
9 Ethanol (alcohol) is a type of:
A. Electric fuel
B. Bio fuel
C. Nuclear fuel
D. None of these
10 During the upward motion of the projectile, the vertical component of velocity.
A. Decreases
B. Increases
C. Remains constant
D. None of these

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