Question

Hallo...

Help me complete my worksheets

♦Friction acts ________ to the motion of an object
♦Oil and grease ________ friction and are called ______
♦ Friction causes _______ of energy
♦ Rollers help in making the work easy because _________ friction is less that the _________ friction
♦_______ in tyres help the vehicle to move without skidding.

Answer 1

OPPOSITE

REDUCE

LOSS

,REDUCES

FRICTION

Answer 2

Friction acts opposite to the motion of an object.

Oil and grease reduce friction and are called lubricants

Friction causes increase of energy

Rollers help in making the work easy because rolling friction is less that the static friction.

tread in tyres help the vehicle to move without skidding.

hope it may help you