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Differentiate between contact and non-contact force. Support your answer with suitable examples.

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Last updated date: 20th Jun 2024
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Answer
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Hint: Force is the vector quantity where both its magnitude and the direction are important. Force is just the pull or the push acting upon the object. It takes place between the interactions between the two bodies. It can change the object's size, shape and speed of the object.

Complete step by step answer:

Sr.No Contact Forces Non-Contact Forces
1.Contact forces may or may not be the natural forces.Non-contact forces are the natural forces.
2.These forces require the physical touch or contact between the two on the object to work upon the object.These forces do not require any physical touch to work on the object.
3.Since, in contact forces contact is to be made between the two objects and therefore it does not work from the distance.Since, in non- contact forces contact is not required between the two objects and therefore it can work from a distance.
4.Contact force includes applied force, the normal force, the tension and the frictional force.Non-contact force includes electro-magnetic force, the gravitational force and the electrostatic force.
5.For Example, applied force is required to kick the ball else the ball would not move. The contact of the ball and the leg should be made.For example, we do not require any contact or touch to pull the free falling mango on the ground. Mango is pulled on the ground by the gravitational force.
6.Other examples include batting in the cricket match, tug of war, pulling of the cart, due to the frictional force present in the shoe’s sole we can stand on the slippery area.Other examples include irons are attracted by the magnet due to magnetic force; the charged plastic ruler attracts pieces of the dry paper and many more.



Note: There are a number of types of the forces. Balanced forces – In balanced forces, two forces act opposite to each other with the same magnitude and as a result moving objects will continue moving whereas the steady object remains steady. For example – in tug of war if the magnitude of the force is the same on both sides, the balanced force cancels each other and there will be no movement.