Question

give two examples and distinguish between contacts and non contact force​

Answer 1

Answer:

Examples of contact forces include:

   Reaction force. An object at rest on a surface experiences reaction force . ...

   Tension. An object that is being stretched experiences a tension force. ...

   Friction. Two objects sliding past each other experience friction forces. ...

   Air resistance.

Examples of  Non contact force include: electricity, magnetism, radio waves, microwaves, infrared, visible light, X-rays and gamma rays.

Difference between contact and non contact force-

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Answer 2

Required Answer:

Difference:-

Difference between contact force and non-contact force are as follows:

a. Contact Force:

1. They require a touch or contact to push or pull the object.

2. This force cannot work from the distance.

b. Non-contact force:

1. They do not require a touch or contact to push or pull the object.

2. This force can work from the distance.

Example:-

Examples of contact and non-contact are given below:

a. Contact Force:

1. Frictional force

2. Muscular force

b. Non-contact force:

1. Gravitational force

2. Magnetic force