Friction on Inclines
Unknown Grade•45 minutes
Learning Objective
I can calculate the force of friction acting on an object on an inclined plane using the coefficient of friction and the normal force.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
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1. Define the term "coefficient of friction" and explain its role in determining the force of friction.
2. Explain why the normal force is not always equal to the weight of an object. When *is* the normal force equal to the weight of an object?
3. A box with a mass of 10 kg is resting on an inclined plane angled at 30° to the horizontal. If the coefficient of static friction between the box and the plane is 0.4, calculate the force of static friction acting on the box.
...and 4 more questions
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