What is a lever? Define the three parts of a lever.

Important Questions on Force, Energy and Simple Machines

MEDIUM

5th CBSE

IMPORTANT

REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - Force, Energy and Simple Machines>Assessment Zone>Q 2

What are the three categories into which levers are divided?

MEDIUM

5th CBSE

IMPORTANT

REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - Force, Energy and Simple Machines>Assessment Zone>Q 3

What is friction? What are its advantages and disadvantages?

EASY

5th CBSE

IMPORTANT

REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - Force, Energy and Simple Machines>Assessment Zone>Q 4

What effects does force have on different objects?

MEDIUM

5th CBSE

IMPORTANT

REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - Force, Energy and Simple Machines>Assessment Zone>Q 5

Write a short note on different types of simple machines. Give two examples for each.

EASY

5th CBSE

IMPORTANT

REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - Force, Energy and Simple Machines>HOTS and PSA Zone>1

Prateek wants to make a catapult. He has a piece of rubber, a piece of cloth and a thin spring wire. Which of these materials should he use to fix the wooden part of the catapult. Explain why.