Friction on Inclines
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Objective
I can predict whether an object will slide down an inclined plane based on the forces of friction and gravity.
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
Define the force of kinetic friction and explain how it affects the motion of an object on an inclined plane.
Draw a free body diagram of a block on an inclined plane, including the force of gravity, the normal force, and the force of kinetic friction. Resolve the force of gravity into its components parallel and perpendicular to the plane.
Part 3 of 3
Exit ticket
Quick comprehension check
“A block of wood with a mass of 2 kg is placed on an inclined plane angled at 20°. The coefficient of static friction between the block and the plane is 0.3. Will the block slide down the plane? Show your calculations to justify your answer. A metal box with a mass of 5 kg rests on an inclined plane angled at 30°. The force of gravity acting parallel to the incline is calculated to be 24.5 N. If the force of static friction is 20 N, will the box slide down the plane? Explain your reasoning.”
Sample answer included in the free materials
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