EASY
9th CBSE
IMPORTANT
Earn 100

A child pulls a toy car with a string attached to it. With the help of a diagram, show the direction in which the car moves.

Important Questions on Work and Energy

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Check Your Progress>Q 1

A child pulls a toy car with a string attached to it. With the help of a diagram, show the direction in which the force is applied.

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Check Your Progress>Q 2

Derive the formula to measure the work done when the body moves in the direction in which force is applied.

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Check Your Progress>Q 3
When is the work done by a force on a body said to be positive? Give two examples.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Check Your Progress>Q 4
When is the work done by a force on a body said to be negative? Give two examples.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Check Your Progress>Q 1
Name four substances which store chemical energy in them.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Check Your Progress>Q 2
Sound is a form of energy. Cite an example.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Check Your Progress>Q 3
Name the source of electrical energy.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Check Your Progress>Q 4
Cite any two uses of magnetic energy.