Question # 1

If the force of 25 N pulls a stone through a distance of 5 cm in its direction the magnitude of work will be:

Choose an answer

5 J

125 J

175 J

200 J

Which of following units is equal to Kgm² s^-2

Choose an answer

Newton

Joule

Watt

Coloumb

The ratio of useful output to input energy is called:

Choose an answer

Power

Energy

Efficiency

Horse power

The work done in lifting a brick of mass 2 kg through a height of 5 m above ground will be:

Choose an answer

2.5 J

10 J

50 J

100 J

1 mega watt is equal to:

Choose an answer

10² W

10³ W

10⁵ W

10⁶W

If the direction of motion of the force is perpendicular to the direction of motion of the body, then work done will be

Choose an answer

Maximum

Minimum

Zero

None of these

If the direction of motion of the force is perpendicular to the direction of motion of the body, then work done will be:

Choose an answer

Maximum

Minimum

Zero

None of the above

The unit of kinetic energy is:

Choose an answer

J

N

Km

Pa

Running water possess energy:

Choose an answer

Kinetic

Potential

Elastic Potential energy

Gravitational potential energy

According to law of conservation of energy increases in P.E is equal to:

Choose an answer

Increase K.E

Decrease in K.E

Decrease in P.E

None

Formula of work is:

Choose an answer

F X S

F X V

F/S

S/F

The energy possessed by a body due to height is called:

Choose an answer

P.E

K.E

Both

None

hp stands for :

Choose an answer

1w

Horse power

Joule

All are true

More Classes

Other Links

9th Class Physics Chapter 6 Work and Energy English Medium KPK Boards Online Mcqs 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