Q61 of 100 Page 210

What is meant by a non-contact force? Explain with the help of an example.

An imaginary force can pull everything towards the earth surface. All the objects are pulled towards the earth without any physical contact with the objects and bodies. These are non contact forces in the most basic sense.


Example


•Gravitational force


•Magnetic force


•Electrostatics


•Nuclear force


More from this chapter

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60

Give one practical application of magnetic force.

 61

What is meant by a contact force? Explain with the help of an example.

 62

Define frictional force (or friction).

 62

Explain why, frictional force is said to be a contact force.