Q3) What is Normal force? How friction
depends on it
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1
Answer:
Friction depends partly on the smoothness of the contacting surfaces, a greater force being needed to move two surfaces past one another ...
Answered by
1
Answer:
Normal force is defined as the force that a surface exerts on an object. If the object is at rest, net force on the object is equal to zero; therefore, the downward force (weight) must be equal to the upward force (normal force).
Friction is proportional to the force with which an object pushes against the surface you're trying to slide it along. The forces acting on a bar of gold. ... In other words, the normal force is the force pushing the two surfaces together, and the stronger the normal force, the stronger the force due to friction.
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