Dhiren M Doshi Solutions for Chapter: Friction, Exercise 2: Exercise
Dhiren M Doshi Science Solutions for Exercise - Dhiren M Doshi Solutions for Chapter: Friction, Exercise 2: Exercise
Attempt the free practice questions on Chapter 12: Friction, Exercise 2: Exercise with hints and solutions to strengthen your understanding. LEARNING SCIENCE solutions are prepared by Experienced Embibe Experts.
Questions from Dhiren M Doshi Solutions for Chapter: Friction, Exercise 2: Exercise with Hints & Solutions
Which one is easy to hold, a glass tumbler or an earthen pot in hands? Give reasons.

Why is it more difficult to pull a boat on the beach than on the sea?

Explain why a bicycle can be slowed down by dragging your feet along the ground.

Explain why the jar of mixer grinders get hot when the mixer grinder run for a few minutes.

Shweta ran her toy car on wet marble floor, dry marble floor, newspaper and carpet spread on the floor. The force of friction acting on the car will be different. Arrange in increasing order of frictional force.

In which case will there be more friction between a trolley and the ground— when the trolley is empty or loaded?

Ramesh finds out that his bicycle's gear has started making noise. So, he applied oil to the gear to

Rahul has to pull a block of solid. The static friction between its surface and the floor is 30 N. Now, he puts two rollers between the surface of block and the floor. The rolling friction between these two surfaces should most likely be
