Friction on Inclines
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Objective
I can predict whether an object will slide down an inclined plane based on the angle of the plane, the coefficient of friction, and the object's weight.
Part 1 of 3
Warm-up video
Unknown Channel · 5:00
We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
7 questions
Draw a free body diagram showing all the forces acting on a block of mass 'm' on an inclined plane with friction. Label each force.
Explain how the angle of the incline affects the component of gravity acting parallel to the plane (mg sin θ). How does this component influence the likelihood of the object sliding?
Part 3 of 3
Exit ticket
Quick comprehension check
“A 20 kg box is placed on an inclined plane that makes an angle of 20° with the horizontal. The coefficient of static friction between the box and the plane is 0.3. Will the box slide down the plane? Show your calculations and explain your reasoning. A 15 kg block is placed on an inclined plane that makes an angle of 35° with the horizontal. The coefficient of static friction between the block and the plane is 0.7. Will the block slide down the plane? Show your calculations and explain your reasoning.”
Sample answer included in the free materials
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Teacher Guide
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