Friction
Friction
Two bodies placed in contact can exert forces parallel to the surfaces in contact. Force acting between the surfaces of two objects is called the force of friction. Force of friction always acts in the opposite direction of the movement of object. Force of friction is acting over all the moving objects. For example:
1. A moving ball stops after going to a certain distance. This happens because of force of friction between the surface of ground and the surface of ball.
2. A moving boat stops after some distance because of friction between the surface of water and the surface of boat.
Since force of friction comes into action only after interaction between two objects, thus, it is a type of contact force.
Friction is ______________________. | |||
| Right Option : C | |||
| View Explanation | |||
Treading of tire is done to _________________. | |||
| Right Option : A | |||
| View Explanation | |||
If the roughness of a surface is increased to a large extent, then the friction of the surface would ______________________. | |||
| Right Option : B | |||
| View Explanation | |||
Students / Parents Reviews [20]
I have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
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Shivam Rana
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Manya
8thThird consective year,my ward is in Abhyas with nice experience of admin and transport support.Educational standard of the institute recumbent at satisfactory level. One thing would live to bring in notice that last year study books was distributed after half of the session was over,though study ...
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Hridey Preet
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