Question # 1

The equations of motion hold good for

Choose an answer

Variable acceleration

Uniform acceleration

Centripetal acceleration

All of these

The horizontal range of a projectile of 30^owith horizontal is same at an angle.

Choose an answer

40^o

45^o

90^o

60^o

Before the launch of a rocket the mass of fuel of the rocket is approximately consists of.

Choose an answer

60%

50%

80%

100%

A mass of 1 kg is freely falling. The force of gravity is.

Choose an answer

1 N

9.8 N

0.5 N

Zero

When velocity time graph is a straight line parallel to time axis then

Choose an answer

Velocity is zero

Acceleration is constant

Acceleration is zero

Velocity is variable

The trajectory of a projectile is.

Choose an answer

Circle

Parabola

Hyperbola

Straight line

The slope of velocity time graph shows

Choose an answer

Total distance covered

Average acceleration

Instantaneous acceleration

Torque

When speed of a body is doubled then its

Choose an answer

K.E. is doubled

P.E. is doubled

Acceleration of doubled

Momentum is doubled

A collision in which K.E. of the system is not conserved is

Choose an answer

Elastic collision

Inelastic collision

3rd low of motion

None of these

If a mass of a body is doubled, then acceleration becomes.

Choose an answer

Double

Half

One fourth

Constant

For a rocket , the change in momentum per second of the ejecting gases is equal.

Choose an answer

Acceleration of the rocket

Momentum of rocket

Velocity of rocket

Thrust acting on rocket

The velocity of a free falling body just before Hattin the ground is 9.8 ms-1, the height through which is fall be

Choose an answer

98 m

19.6 m

4.9 m

9.8 m

A man of 5000 kg moves with an acceralation of 1 ms-2 force acting on it is.

Choose an answer

5 N

500 N

50 N

5000 N

The motion and rest are

Choose an answer

Absolute

Relative

Mutual

All of these

Kg ms-1 can also be written as

Choose an answer

Nm

Ns

Ns-1

Js

Height of projectile is maximum at an angle of.

Choose an answer

45^o

60^o

30^o

90^o

A force of 10 N acts on a body of mass 5 kg in one second. The change in its momentum will be.

Choose an answer

10 kgms-1

50 kg ms-1

2 kg ms-1

20 kg ms-1

More Classes

Other Links

Physics Fsc Part 1 Chapter 3 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

Choose an answer