Why are machines used?

Important Questions on Work, Energy and Machines

HARD

6th Chhattisgarh Board

IMPORTANT

SCIENCE & TECHNOLOGY CLASS - 6>Chapter 11 - Work, Energy and Machines>ANSWER THESE>Q 2

What are the different kinds of levers, give two examples each.

EASY

6th Chhattisgarh Board

IMPORTANT

SCIENCE & TECHNOLOGY CLASS - 6>Chapter 11 - Work, Energy and Machines>ANSWER THESE>Q 3

Why are pulleys used?

MEDIUM

6th Chhattisgarh Board

IMPORTANT

SCIENCE & TECHNOLOGY CLASS - 6>Chapter 11 - Work, Energy and Machines>ANSWER THESE>Q 4

Explain what do you mean by an inclined plane? Give two examples from daily life.

MEDIUM

6th Chhattisgarh Board

IMPORTANT

SCIENCE & TECHNOLOGY CLASS - 6>Chapter 11 - Work, Energy and Machines>EXERCISE>Q 1

_____ is a simple machine.

EASY

6th Chhattisgarh Board

IMPORTANT

SCIENCE & TECHNOLOGY CLASS - 6>Chapter 11 - Work, Energy and Machines>EXERCISE>Q 1

A scissor is a lever of which kind?

MEDIUM

6th Chhattisgarh Board

IMPORTANT

SCIENCE & TECHNOLOGY CLASS - 6>Chapter 11 - Work, Energy and Machines>EXERCISE>Q 1

Which of the following work, machines cannot do?

EASY

6th Chhattisgarh Board

IMPORTANT

SCIENCE & TECHNOLOGY CLASS - 6>Chapter 11 - Work, Energy and Machines>EXERCISE>Q 1

Joule is a unit of

EASY

6th Chhattisgarh Board

IMPORTANT

SCIENCE & TECHNOLOGY CLASS - 6>Chapter 11 - Work, Energy and Machines>EXERCISE>Q 1

Petroleum products have energy in the form of