Question # 1

A body of mass 5 kg is acted upon by a total change n momentum will be:

Choose an answer

10 NS

100 NS

140 NS

200 NS

A body is thrown from a height h with speed u, it hits the ground with speed V

Choose an answer

The value of V is maximum if the body is thrown vertically downward

The value of V is maximum if the body is thrown vertically upwards

The value of V is minimum if the body is thrown horizontally

The value of V does not depend on the direction of which it is thrown

The product of force and time is called

Choose an answer

acceleration

linear momentum

angular momentum

impulse

The motion of a body in a straight line is the motion in

Choose an answer

one dimension

two dimension

three dimension

four dimension

A typical rocket consumes about

Choose an answer

100 kg s^-1of fuel

1000 kg s^-1of fuel

10000 kg s^-1of fuel

100000 kg s^-1of fuel

A typical rocket consists of fuel

Choose an answer

more than 60% of launch mass

less than 60% of launch mass

less than 80% of launch mass

more than 80% of launch mass

A dirty carpet is to be cleaned by heating. This is an accordance with____ 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

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

Choose an answer

average velocity

uniform velocity

instantaneous velocity

variable velocity

The projectile attains maximum horizontal range when it is projected at an angle of

Choose an answer

30°

45°

60°

75°

Change in momentum is one second called.

Choose an answer

Impulse

Force

Energy

Work

One KWh is equal to:

Choose an answer

3.6 x 10²J

3.6 KJ

3,6 x 10¹KJ

3,6 MJ

A 5 kg mass is falling freely, the force acting on, it will be

Choose an answer

19.6 N

9.8 N

5 N

Zero

If the acceleration of a body is not uniform, then velocity-time graph will be:

Choose an answer

Curve

Straight line

Sphere

All of these

Acceleration of a body is negative if the velocity of the body is

Choose an answer

constant

increasing

decreasing

none of them

Earth is considered to be

Choose an answer

a non-inertial frame

an inertial frame

an accelerated frame

none of the above

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