Friction Quiz 4

To reduce friction between rotating shafts of machine tools, we use

The purpose of Powder while playing carroms is

You wanted to know effect of roughness on frictional force. Which of the following material is not needed for your experiment?

“Aravind observed that heat is produced when he rubbed his palms.” The type of friction of acting here is

Which of the following is incorrect in the case of friction?

“To reduce the friction we use solid, liquid and Gaseous state lubricants”. Which lubricant is used in Electric motor to reduce friction ?

A car toy is dropped on four inclined planes made up of with different materials. On which incline plane the car travels more distance?

It is difficult to walk on polished floor because friction between our feet and floor is

Toy car released with the same initial speed will travel farthest on

Friction occurs due to?

Relative to the surface, the direction of the friction is always

When applied force is … than the limit of the static friction than the body starts to move.

Which of the following represents the correct sequence of types of friction arranged on based on their strength or magnitude?

The fish swim easily in water because by

Which of the given daily activity linked with frictional force?