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 incline and the coefficient of friction.
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 coefficient of kinetic friction in your own words. What does a higher coefficient of friction indicate?
A block with a mass of 2 kg rests on an inclined plane angled at 30°. If the coefficient of kinetic friction between the block and the plane is 0.3, calculate the force of kinetic friction acting on the block. (g = 9.8 m/s²)
Part 3 of 3
Exit ticket
Quick comprehension check
“A 4 kg box is placed on a ramp angled at 20°. The coefficient of static friction between the box and the ramp is 0.35. Will the box slide down the ramp if it starts at rest? Show your calculations and explain your reasoning. (g = 9.8 m/s²) A block with a mass of 6 kg rests on an inclined plane angled at 25°. If the coefficient of static friction between the block and the plane is 0.4, will the block slide down the ramp if it starts at rest? Show your calculations and explain your reasoning. (g = 9.8 m/s²)”
Sample answer included in the free materials
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