Friction on Inclines
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Objective
I can predict the motion of an object on an inclined plane by analyzing the forces, including friction, acting upon it.
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 term "coefficient of friction" and explain how it affects the frictional force between two surfaces.
Draw a free-body diagram of a block on an inclined plane with friction. Label all forces acting on the block, including the force of gravity, the normal force, and the force of friction.
Part 3 of 3
Exit ticket
Quick comprehension check
“A 20 kg box is placed on an inclined plane that makes an angle of 40° with the horizontal. The coefficient of friction between the box and the incline is 0.3. Calculate the acceleration of the box down the incline. Show all work. A 100 kg crate is on an inclined plane with an angle of 25° relative to the horizontal. If the coefficient of friction between the crate and the plane is 0.15, determine the acceleration of the crate. Show all work.”
Sample answer included in the free materials
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