Is work done always positive?

Important Questions on Work and Energy

EASY

9th CBSE

IMPORTANT

Secondary Physics>Chapter 5 - Work and Energy>OBJECTIVE TYPE QUESTIONS>Q 4

Does a person standing at rest on a moving bus possess kinetic energy?

EASY

9th CBSE

IMPORTANT

Secondary Physics>Chapter 5 - Work and Energy>OBJECTIVE TYPE QUESTIONS>Q 5

What is the relation between the SI unit of energy and commercial unit of energy?

EASY

9th CBSE

IMPORTANT

Secondary Physics>Chapter 5 - Work and Energy>OBJECTIVE TYPE QUESTIONS>Q 6

Is power a scalar or vector quantity?

EASY

9th CBSE

IMPORTANT

Secondary Physics>Chapter 5 - Work and Energy>OBJECTIVE TYPE QUESTIONS>Q 7

What does watt-second represent?

EASY

9th CBSE

IMPORTANT

Secondary Physics>Chapter 5 - Work and Energy>OBJECTIVE TYPE QUESTIONS>Q 8

Write the relation between momentum and kinetic energy?

MEDIUM

9th CBSE

IMPORTANT

Secondary Physics>Chapter 5 - Work and Energy>OBJECTIVE TYPE QUESTIONS>Q 9

Explain with an example that a body may possess energy when it is not in motion.

EASY

9th CBSE

IMPORTANT

Secondary Physics>Chapter 5 - Work and Energy>OBJECTIVE TYPE QUESTIONS>Q 10

What form of energy is stored in a battery?