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Question
For the same pair of bodies, the correct relation between different types of friction is:
For the same pair of bodies, the correct relation between different types of friction is:
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Solution
The correct option is B Static friction > Sliding friction > Rolling friction
Friction is defined as the force that opposes the motion of a solid object over another.
Static friction- Static friction is frictional force that acts between the surfaces when they are at rest with respect to each other. It is highest in magnitude as it require maximum force to start motion of a stationary object.
Sliding friction- Sliding friction is the resistance that is created between any two objects when they are sliding against each other. it is lesser than static friction as they are already in motion so the resistance is lesser than previous case.
Rolling friction- Rolling friction is the force which resists the motion of a ball or wheel and is the weakest types of friction.
Friction is defined as the force that opposes the motion of a solid object over another.
Static friction- Static friction is frictional force that acts between the surfaces when they are at rest with respect to each other. It is highest in magnitude as it require maximum force to start motion of a stationary object.
Sliding friction- Sliding friction is the resistance that is created between any two objects when they are sliding against each other. it is lesser than static friction as they are already in motion so the resistance is lesser than previous case.
Rolling friction- Rolling friction is the force which resists the motion of a ball or wheel and is the weakest types of friction.
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