SSC
PHYSICS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Friction is ____
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the force that one surface exerts on another when they rub against one another.
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the force that causes an object to accelerate.
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when gravity causes an object to stop moving.
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None of the above
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Explanation:
Detailed explanation-1: -The force that one surface exerts on another surface when the two surfaces rub together. Friction makes things STOP. What effects friction? Friction that occurs when an object rolls over a surface.
Detailed explanation-2: -Friction is the force that one surface exerts on another with the two surfaces rubbing together.
Detailed explanation-3: -When two objects rub against each other, the force of resistance is felt. This is called frictional force or friction. It is a contact force.
Detailed explanation-4: -Friction is a force which always opposes the motion.
There is 1 question to complete.