Anita Paul, Seema Sinha, Deepika Parashari and, Karuni Subrahmanyam Solutions for Exercise 3: Put on your thinking cap
Anita Paul Science Solutions for Exercise - Anita Paul, Seema Sinha, Deepika Parashari and, Karuni Subrahmanyam Solutions for Exercise 3: Put on your thinking cap
Attempt the practice questions from Exercise 3: Put on your thinking cap with hints and solutions to strengthen your understanding. Galaxy A Course in Science Book 8 solutions are prepared by Experienced Embibe Experts.
Questions from Anita Paul, Seema Sinha, Deepika Parashari and, Karuni Subrahmanyam Solutions for Exercise 3: Put on your thinking cap with Hints & Solutions
Smooth surfaces offer more friction than rough surfaces.

We are able to walk on ground because of friction.

Friction is always helpful to us.

Grease and oils are used as lubricants.

Rolling friction is less than static friction and sliding friction. Explain with the help of an activity.

Observe the given picture and answer the following question.
Identify the object shown in the picture that is used to reduce friction.

Observe the given picture and answer the following questions.
Where are these objects used?

Observe the given picture and answer the following questions.
Do these objects help in increasing or decreasing friction? Explain how.
