EASY
4th CBSE
IMPORTANT
Earn 100

Name the following in one word.

The force exerted by the muscles is _____ force.

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Important Questions on Work, Force and Energy

EASY
4th CBSE
IMPORTANT
The Incredible SCIENCE 4.>Chapter 11 - Work, Force and Energy>Exercise>Q 4
What is force? Mention two effects of force.
EASY
4th CBSE
IMPORTANT
The Incredible SCIENCE 4.>Chapter 11 - Work, Force and Energy>Exercise>Q 4

Distinguish between frictional and gravitational force.

EASY
4th CBSE
IMPORTANT
The Incredible SCIENCE 4.>Chapter 11 - Work, Force and Energy>Exercise>Q 4
According to science, when is work said to be done?
EASY
4th CBSE
IMPORTANT
The Incredible SCIENCE 4.>Chapter 11 - Work, Force and Energy>Exercise>Q 4
What are simple machines? How do they make our work easier?
MEDIUM
4th CBSE
IMPORTANT
The Incredible SCIENCE 4.>Chapter 11 - Work, Force and Energy>Exercise>Q 4
Explain three sources of energy.
MEDIUM
4th CBSE
IMPORTANT
The Incredible SCIENCE 4.>Chapter 11 - Work, Force and Energy>Exercise>Q 4

Explain with three examples how energy can be transformed from one form to another.

EASY
4th CBSE
IMPORTANT
The Incredible SCIENCE 4.>Chapter 11 - Work, Force and Energy>Exercise>Q 4

Define lever.

EASY
4th CBSE
IMPORTANT
The Incredible SCIENCE 4.>Chapter 11 - Work, Force and Energy>Exercise>Q 4

Define pulley.