Question # 1

When a person jumps off the ground, the reaction force of the ground is

Choose an answer

greater than the weight of the person

smaller than the weight of the person

equal to the weight of the person

zero

Which quantity has the same units as impulse

Choose an answer

force

work

linear momentum

acceleration

A body is moving with constant velocity of 10 m/sec in the north-east direction. Then its acceleration will be:

Choose an answer

10 m/sec²

20 m/sec²

30 m/sec²

Zero

A mass of 5kg moves with an acceleration of 10m s^-2force applied is

Choose an answer

10N

50N

2N

20N

Force is a:

Choose an answer

Scalar quantity

Base quantity

Derived quantity

None of these

Unit of impulse in

Choose an answer

Newton

Kg m

Kg m/s

Joule

Suppose the water flows out from a pipe at 3kg s^-1and its velocity changes from 5m s^-1to zero on striking the wall, then the force exerted by water on wall will be

Choose an answer

5 N

10 N

15 N

20 N

Newton's first law is also called:

Choose an answer

Law of torque

Law of force

Law of inertia

None of these

The product of force and time is called change in:

Choose an answer

Momentum

Impulse

Force

Both a and b

A railway engine (mass 10⁴kg) is moving with a speed of 73 km/h. The force which should be applied to bring it to rest over a distance of 20 m is

Choose an answer

3,600 N

7,200 N

10,000 N

100,000 N

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

Bodies which falls freely under gravity provides good example of motion under:

Choose an answer

Uniform acceleration

Non-uniform acceleration

Uniform velocity

None of these

A body is moving with constant velocity of 10 m/sec in the north east direction. Then its acceleration will be:

Choose an answer

10 m/sec2

20 m/sec2

30 m/sec2

Zero

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

Choose an answer

500 ms^-1

1000 ms^-1

250 ms^-1

Zero

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

Choose an answer

400 m

300 m

200 m

100 m

Which of the following is not a projectile

Choose an answer

a bullet fired from a gun

a space ship

a football in air

an artillery shell

More Classes

Other Links

ECAT Physics 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