Dhiren M Doshi Solutions for Chapter: Work and Energy, Exercise 7: Higher Order Thinking Skills (HOTS) Questions

Author:Dhiren M Doshi

Dhiren M Doshi Physics Solutions for Exercise - Dhiren M Doshi Solutions for Chapter: Work and Energy, Exercise 7: Higher Order Thinking Skills (HOTS) Questions

Attempt the free practice questions on Chapter 5: Work and Energy, Exercise 7: Higher Order Thinking Skills (HOTS) Questions with hints and solutions to strengthen your understanding. LIVING SCIENCE PHYSICS 9 solutions are prepared by Experienced Embibe Experts.

Questions from Dhiren M Doshi Solutions for Chapter: Work and Energy, Exercise 7: Higher Order Thinking Skills (HOTS) Questions with Hints & Solutions

EASY
9th CBSE
IMPORTANT

Why does a man, carrying a load at rest, feel tired after some time even though he has not done any work?

EASY
9th CBSE
IMPORTANT

What will happen to the amount of work done if the magnitude of force applied is increased?

EASY
9th CBSE
IMPORTANT

What will happen to the amount of work done if the displacement of body is reduced? 

EASY
9th CBSE
IMPORTANT

Can a body possess energy even when it is not in motion? Explain.

MEDIUM
9th CBSE
IMPORTANT

What happens to the kinetic energy when mass of body is doubled but its velocity is reduced to half?

EASY
9th CBSE
IMPORTANT

Name the sequence of energy changes taking place in setting a truck in motion.

EASY
9th CBSE
IMPORTANT

Give reason for the following: A bullet is released on firing the pistol.

EASY
9th CBSE
IMPORTANT

Give reason for the following:

Winding the spring of a toy car makes it run on the ground.