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.
A box was pushed equal distance on four different surfaces. the dorce neede for each surface recorded in the given table.
On which surface was the friction least ? | |||||||||||||
| Right Option : C | |||||||||||||
| View Explanation | |||||||||||||
When a bicycle is in motion,(without pedelling) the force of friction exerted by the ground on the two wheels act ___________________. | |||
| Right Option : C | |||
| View Explanation |
Friction is ______________________. | |||
| Right Option : C | |||
| View Explanation | |||
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About Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
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10thAbhyas institute is one of the best coaching institute in the vicinity of Ambala Cantt area. The teachers of the institute are well experienced and very helpful in solving the problems of the students.The good thing of the institute is that it is providing extra classes for the students who are w...
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