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Force of friction is 

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Important Questions on Force and Pressure

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Science>Physics>Force and Pressure>Frictional Force
Which of these forces is not an example of non-contact forces?
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Science>Physics>Force and Pressure>Frictional Force
If you apply the force along the right, the friction acts along the ______ direction.
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Science>Physics>Force and Pressure>Frictional Force
Force of friction is an example of?
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Science>Physics>Force and Pressure>Frictional Force

Friction is a ______

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Science>Physics>Force and Pressure>Frictional Force

Friction always acts _____ the direction of motion of an object.

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Science>Physics>Force and Pressure>Frictional Force
A body of mass 20 kg is kept initially at rest. A force of 80 N is applied on the body then the acceleration produced in the body is 3 m s-2 , force of friction acting on the body is :
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Science>Physics>Force and Pressure>Frictional Force
A big wooden box is being pushed on the ground from east to west direction. The force of friction due to the ground will act on this box towards _____.
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Science>Physics>Force and Pressure>Frictional Force
A car is heading towards south-east. The force of friction acting on the car is towards _____.
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Science>Physics>Force and Pressure>Frictional Force
Why do we slip when the floor is wet?
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Science>Physics>Force and Pressure>Frictional Force
The direction of friction is always __________ to the relative motion of the objects.
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Science>Physics>Force and Pressure>Frictional Force

In the figure, a boy is shown pushing the box from right to left. The force of friction that will act on the box is:

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Science>Physics>Force and Pressure>Frictional Force
If a cycle is moving in the north — east direction, the direction of frictional force will be:
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Science>Physics>Force and Pressure>Frictional Force

In figure, a boy is shown pushing the box from the right to left.

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The force of friction will act on the box

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Science>Physics>Force and Pressure>Frictional Force
What are the different types of frictional force.
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Science>Physics>Force and Pressure>Frictional Force
What is limiting friction ?
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Science>Physics>Force and Pressure>Frictional Force
Explain with an example how frictional force depends on the area of contact.