What is the normal force on an inclined plane equal to?

Inclined Plane Dynamics and Forces

Interactive Video
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Physics, Mathematics, Science
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9th - 12th Grade
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Hard

Patricia Brown
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
mg
mg tan(theta)
mg cos(theta)
mg sin(theta)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the acceleration of a block on a frictionless incline determined?
It is equal to g sin(theta).
It is independent of the angle of the incline.
It depends on the mass of the block.
It is equal to g cos(theta).
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role does friction play when a block slides down an incline?
It accelerates the block.
It opposes the motion of the block.
It has no effect on the block.
It only acts when the block is at rest.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a block slides up an incline, what is the direction of the frictional force?
Parallel to the incline but in the same direction as gravity.
In the same direction as the block's motion.
Opposite to the block's motion.
Perpendicular to the incline.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the direction of the incline affect the acceleration of a block sliding up?
It halves the acceleration.
It changes the sign of the acceleration.
It does not affect the acceleration.
It doubles the acceleration.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the acceleration of a block sliding down a 30-degree incline?
4.9 m/s²
0 m/s²
19.6 m/s²
9.8 m/s²
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the final speed of a block after it travels a certain distance down an incline?
Using the formula v² = u² - 2as
Using the formula v = u - at
Using the formula v² = u² + 2as
Using the formula v = u + at
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