Answer
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Hint Assume that you’re placing a block on a surface that isn’t said to be smooth. Friction is the opposing force by the surface on the body, when the body is pushed or pulled. Apply this concept and select the correct options.
Complete Step By Step Solution
When a pull of push force is applied on the block on a surface, it experiences a constant static friction. As and when it is in contact with the surface, the surface opposes the block’s motion over a certain period of time. As and when we start to apply greater force on the body, the body will begin to accelerate with a kinetic friction. Now the friction value decreases, since the body is moving . When the body is said to be static, the amount of friction exerted by the surface on the body will be greater , until the force applied on the body exceeds the holding friction value. Hence static friction is greater than kinetic friction since there are more forces that apply on the body to keep it stationary than the kinetic forces that make it accelerate.
The maximum static friction is called the limiting friction. Limiting friction certainly has a greater value than that of kinetic friction but never lesser than static friction since it is the maxima point of static friction.
The graph of the same is given below
![](https://www.vedantu.com/question-sets/f36f1aad-85c1-4fb6-a495-e69a4a60c5f97675637660389811884.png)
Thus, Options (b) (c) (d) are the right answers for the given question.
Note It is not always essential that static friction should always be greater than that of kinetic friction. This is because static friction is not constant and depends upon the force applied on the body to move it which is a bit less than limiting friction. Hence we can’t conclude that static friction will always be greater than kinetic.
Complete Step By Step Solution
When a pull of push force is applied on the block on a surface, it experiences a constant static friction. As and when it is in contact with the surface, the surface opposes the block’s motion over a certain period of time. As and when we start to apply greater force on the body, the body will begin to accelerate with a kinetic friction. Now the friction value decreases, since the body is moving . When the body is said to be static, the amount of friction exerted by the surface on the body will be greater , until the force applied on the body exceeds the holding friction value. Hence static friction is greater than kinetic friction since there are more forces that apply on the body to keep it stationary than the kinetic forces that make it accelerate.
The maximum static friction is called the limiting friction. Limiting friction certainly has a greater value than that of kinetic friction but never lesser than static friction since it is the maxima point of static friction.
The graph of the same is given below
![](https://www.vedantu.com/question-sets/f36f1aad-85c1-4fb6-a495-e69a4a60c5f97675637660389811884.png)
Thus, Options (b) (c) (d) are the right answers for the given question.
Note It is not always essential that static friction should always be greater than that of kinetic friction. This is because static friction is not constant and depends upon the force applied on the body to move it which is a bit less than limiting friction. Hence we can’t conclude that static friction will always be greater than kinetic.
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