Inclined Planes
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Assessment
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Physics
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9th - 12th Grade
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115 plays
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Hard
Student preview
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10 questions
Show answers
1.
Multiple Choice
A block slides down a frictionless inclined plane that makes an angle θ with the horizontal.
Which of the expressions shown below expresses force which is parallel to the inclined surface?
mg cos
mg sin
g
2g
2.
Multiple Choice
The normal force equals
mg cos
mg sin
g
2g
3.
Multiple Choice
A 25 N crate slides down a frictionless incline that is 25° above the horizontal. The magnitude of the normal force of the incline on the crate is:
11 N
23 N
25 N
100 N
4.
Multiple Choice
A heavy wooden block is dragged by a force F along a rough steel plate, as shown in the diagrams for two cases. The magnitude of the applied force F is the same for both cases. The normal force in (ii), as compared with the normal force in (i) is:
the same
greater
less
none of the above
5.
Multiple Choice
A 25 N crate is held at rest on a frictionless incline by a force that is parallel to the incline. The incline is 25 degrees above the horizontal.
The magnitude of the applied force is ________
4.1 N
4.6 N
11 N
23 N
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