Question # 1

When a body is moving on a surface, the force of friction is called

Choose an answer

Static friction

Dynamic friction

Limiting friction

Rolling friction

When body moves with increasing acceleration, its velocity time graph is a

Choose an answer

straight line

horizontal straight line

vertical straight line

curve

Laws of motion are not valid in a system which is

Choose an answer

inertial

non-interial

at rest

moving with uniform velocity

Swimming is based on the principle of

Choose an answer

Newton's 1st law

Newton's 2nd law

Newton's 3rd law

All

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

Choose an answer

4 : 5

7 : 9

16 : 25

1 : 1

Acceleration of a body at any particular instant during its motion is known as

Choose an answer

average acceleration

uniform acceleration

instantaneous acceleration

all of them

A body whose momentum is constant must have constant

Choose an answer

Acceleration

Velocity

Force

None of these

When the total displacement is divided by total time taken, we get:

Choose an answer

Velocity

Average speed

Average velocity

None of these

If an iron ball and a wooden ball of the same radius was released from a height 'h' in vacuum, then time taken by both of them to reach ground will be

Choose an answer

Unequal

Exactly equal

Roughly equal

Zero

Swimming becomes possible because of______law of motion.

Choose an answer

First

Second

Third

None of these

A body moving with uniform velocity has

Choose an answer

positive acceleration

negative acceleration

infinite acceleration

zero acceleration

Graphs which are used to illustrate the variation of velocity of an object with time are called

Choose an answer

distance time graphs

speed time graphs

velocity time graphs

acceleration time graphs

The decrease in velocity per unit time is called:

Choose an answer

Variable Acceleration

Average Acceleration

Retardation

None of these

The consumption source if energy is:

Choose an answer

Energy from blomass

Hydroelectric energy

Geothermal energy

None of these

One KWh is equal to:

Choose an answer

3.6 x 10²J

3.6 KJ

3.6 x 10¹KJ

3.6 MJ

The velocity given to a body to go out of the influence of earth's gravity is known as:

Choose an answer

Terminal velocity

Orbital velocity

Escape velocity

None of these

More Classes

Other Links

Physics ECAT Pre Engineering Chapter 3 Motion and Force Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer