Name the Three Kinds of Friction.

Name the three kinds of friction.

One Line Answer

Friction is of three kinds:

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Force of Friction

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Chapter 3 Force
Short/Long answer questions | Q 19

Write true or false.

Liquids offer more friction than the gases.

Name the two kinds of forces in nature.

List three ways of reducing friction.

A body needs a force F₁ just to start moving on a surface, a force F₂ to continue its motion and a force F₃ to roll on the surface. What is

the static friction
sliding friction and
rolling friction? State whether F₂ is equal, less than or greater than (1) F₁ and (2) F₃.

Fill in the blank

Rolling friction is ............. than sliding friction.

Fill in the blank.

Rolling friction is ........... than sliding friction.

State if the following statement is true or false. Correct the statement if it is false.

Friction helps us to grip the objects in our hand.

Answer the following in detail.

Describe three different ways by which friction can be increased to help us in various situations?

Rolling friction is slightly greater than sliding friction.

Is there any possibility of making a special device to measure the magnitude of friction directly?