Why do we use machines?

Important Questions on Types of Forces and Machines

MEDIUM

5th CBSE

IMPORTANT

The Joy Of Science Today BOOK 5.>Chapter 12 - Types of Forces and Machines>Things To Tell>Q I

Name the six main types of simple machines.

MEDIUM

5th CBSE

IMPORTANT

The Joy Of Science Today BOOK 5.>Chapter 12 - Types of Forces and Machines>Things To Tell>Q I

Give five examples of levers.

MEDIUM

5th CBSE

IMPORTANT

The Joy Of Science Today BOOK 5.>Chapter 12 - Types of Forces and Machines>Things To Tell>Q I

For what purpose do we use wheel and axle arrangements?

MEDIUM

5th CBSE

IMPORTANT

The Joy Of Science Today BOOK 5.>Chapter 12 - Types of Forces and Machines>Things To Tell>Q I

What is the use of an inclined plane? 

MEDIUM

5th CBSE

IMPORTANT

The Joy Of Science Today BOOK 5.>Chapter 12 - Types of Forces and Machines>Things To Tell>Q I

What is the use of a fixed pulley? 

EASY

5th CBSE

IMPORTANT

The Joy Of Science Today BOOK 5.>Chapter 12 - Types of Forces and Machines>Things To Tell>Q II

A block of wood floats on water.

EASY

5th CBSE

IMPORTANT

The Joy Of Science Today BOOK 5.>Chapter 12 - Types of Forces and Machines>Things To Tell>Q II

When an object is immersed in a liquid, it gains weight.

EASY

5th CBSE

IMPORTANT

The Joy Of Science Today BOOK 5.>Chapter 12 - Types of Forces and Machines>Things To Tell>Q II

The upward force exerted by a liquid is called buoyant force.