friction/push/pull

Friction Force is a

• non contact force

• contact force

• magnetic force

We are able to walk because of friction between the ---------- and the ground

• force

• feet

• pull

• push

Rough surfaces have ------------ Friction .

• less

• more

• rigid

• light

Oil and grease are

• powder

• lubricants

• paste

----------- is applied to the moving parts of a vehicle to reduce friction.

• water

• grease

• powder

Friction acts in a direction ----------- to the motion of the moving object.

• in line

• opposite

• parallel

• adjacent

The shape of the vehicle is made ------------- to reduce the friction.

• rougher

• rectangular

• cone shaped

• streamlined

Forest fires are caused due to ------------

• light

• friction

• electro magnetic force

• static force

Things stay in place because of ................

• mechanical force

• friction

• magnetic force

• light energy

A force that works when two objects come in contact with each other is called a --------------

• non contact force

• contact force

• muscular force

• gravitational force