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

What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?

Question # 2

If the instantaneous velocity of a body does not change. the body is said to be moving with

Question # 3

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

Question # 4

In equation F=ma, then mass 'm' is

Question # 5

The product of force and time is called

Question # 6

If a train traveling at 72 kmph is to be brought to rest in a distance of 200 meters then its retardation should be

Question # 7

Inertia mass and gravitational mass are

Question # 8

Angular momentum

Question # 9

When a body is moving with uniform positive acceleration, the velocity- time graph is a straight line. Its slope is

Question # 10

If a car rest acceleration uniformly to a speed of 144 km/h in 20 s it covers a distance of

Question # 11

The product of force and time is called change in:

Question # 12

Flight of rocket in the space is an example of

Question # 13

A motorist travels A to B at a speed at 40 km/h and returns at speed of 60km/h. His average speed will be

Question # 14

The vertical and horizontal range will be equal id angle of projection is

Question # 15

Dimensions of velocity are

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
A. 2100 m/s2
B. 1400 m/s2
C. 700 m/s2
D. 400 m/s2
2 If the slope of the velocity-time graph increases at constant rate with time, then the body is said to have
A. uniform deceleration
B. uniform negative acceleration
C. average acceleration
D. uniform positive acceleration
3 Newton published laws of motion in his famous book "principia" in
A. 1867
B. 1667
C. 1676
D. 1687
4 Earth is considered to be
A. a non-inertial frame
B. an inertial frame
C. an accelerated frame
D. none of the above
5 The horizontal component of a projectile moving with initial velocity of 500 ms-1at an angle 60° to x-axis is
A. 500 ms-1
B. 1000 ms-1
C. 250 ms-1
D. Zero
6 The artillery shells travel along parabolic paths under the influence of
A. magnetic field
B. electric field
C. electromagnetic field
D. gravitational field
7 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
A. 3 s
B. 5 s
C. 7 s
D. 9 s
8 The area under line velocity-time graph is numerically equal to the
A. speed of the body
B. acceleration of the body
C. distance covered by the body
D. none of them
9 Newton's first law is also called:
A. Law of torque
B. Law of force
C. Law of inertia
D. None of these
10 When a force is applied on a body, several effects are possible Which of the following effect could not occur?
A. the body rotates
B. the body speeds up
C. the mass of the body decreases
D. the body changes its direction

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