What is a machine?

Important Questions on Work, Energy and Machines

MEDIUM

6th Chhattisgarh Board

IMPORTANT

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

What is known as a lever?

HARD

6th Chhattisgarh Board

IMPORTANT

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

How are fulcrum, load, and effort placed in different kinds of levers?

MEDIUM

6th Chhattisgarh Board

IMPORTANT

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

What is work? Write the units of work.

MEDIUM

6th Chhattisgarh Board

IMPORTANT

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

If a body moves a distance of $12$ meters on applying a force of $125$ newton, compute the work done in joules.

MEDIUM

6th Chhattisgarh Board

IMPORTANT

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

Define energy. What is the relation between work and energy?

HARD

6th Chhattisgarh Board

IMPORTANT

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

Write five types of energy. Give examples of each.

MEDIUM

6th Chhattisgarh Board

IMPORTANT

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

Give reason: why the roads of hills are curvy.

HARD

6th Chhattisgarh Board

IMPORTANT

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

Give reason: It is easier to take out water from a well by using a pulley.