Frictional Force
Frictional Force: Overview
This topic covers concepts, such as, Friction Force, Friction, Direction of Friction etc.
Important Questions on Frictional Force
Name the type of force which acts in the following cases:
A moving ball stops after going to a certain distance.
Friction is both enemy and friend in our daily life. Explain.
Which of the following statement is incorrect?
Why do we slip on a banana when we step on it?
When you step on a banana peel lying on the road, you may slip and fall. This is because
When friction occurs temperature of the surrounding increases.
Which of these cause more friction, a carpet or a granite surface? Why?
Which is a suitable method to decrease friction
Why ball bearings are used in wheels and machinery?
Which type of friction force acts on ball bearings.
Which of the following is used to increase the friction.
Friction causes different problems to people. Still why is it very important in many cases? Is friction a necessity or an evil? Explain. Also explain methods to reduce friction.
Why is friction called as a necessary evil? Explain different methods to reduce friction.
A Diwali rocket is ejecting gases per second at a velocity of . The accelerating force of the rocket is
Identify the forces that are in action when a carpenter sanding some wood.
