Question 1 What is sliding friction? Question 2 What is static friction? Question 3 What is rolling friction? Question 4 which type of friction comes into play when a book kept on cylindrical pencils is moving by pushing? Question 5 Explain why sliding friction is less than static friction? Question 6 Explain why rolling friction is much less than sliding … [Read more...] about Static, Sliding and Rolling Friction
Friction
Factors affecting friction
Question 1 On what factors does the friction depends? Question 2 Which will cause more friction: a rough surface or smooth surface? Question 3 Ramesh has to push a lighter box and Seema has to push a similar heavy box on the same floor. Who will have to apply a larger force and why? Question 4 Give an example to show that friction depends on the nature of two … [Read more...] about Factors affecting friction
Cause of Friction
Question 1 Which type of surface produce least friction? Question 2 Which type of surface produce too much friction? Question 3 Name a device which is used to measure force acting on an object? Question 4 What is a spring balance? Question 5 Which will cause more friction: A rough surface or a smooth surface? Why? Question 6 What is meant by irregularities of … [Read more...] about Cause of Friction
Friction
Question 1 Name the force which always opposes motion? Question 2 What is the direction of force of friction acting on moving object? Question 3 Define the term friction? Question 4 When we try to push a heavy box kept on ground it does not move at all. Which force is preventing this box to move forward. Where does this force acts? Question 5 A ball moving on the … [Read more...] about Friction