Question

write any 5 points the uses of magnetic force and frictional force each ?

Answer 1

Explanation:

Uses of Magnets for Kids

Compass. A compass uses a magnet to direct its needle to the north pole. ...

Mag-Lev Trains. Magnetically levitated trains, known as mag-lev trains, use magnets under the cars to float above the magnetic tracks because the magnets are repelling each other. ...

Vending Machines. ...

Holding Things. ...

Electric Motors.

Answer 2

Explanation:

• Computer hard drives use magnetism to store the data on a rotating disk. More complex applications include: televisions, radios, microwave ovens, telephone systems, and computers. An industrial application of magnetic force is an electromagnetic crane that is used for lifting metal objects.
• For example: friction between our shoes and the floor stop us from slipping. friction between tyres and the road stop cars from skidding. friction between the brakes and wheel help bikes and cars to slow down.