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Questions and Answers
What is the mechanical advantage of an inclined plane?
What is the mechanical advantage of an inclined plane?
- Equal to the arctangent of the angle of repose
- Equal to the ratio of the length of the sloped surface to the height it spans (correct)
- Equal to the coefficient of static friction
- Equal to the angle of friction
What is the angle of friction, also known as the angle of repose?
What is the angle of friction, also known as the angle of repose?
- The angle at which an object will experience maximum acceleration on an inclined plane
- The maximum angle at which a load can rest motionless on an inclined plane due to friction without sliding down (correct)
- The angle at which an object will always slide down an inclined plane
- The angle at which an object will always remain stationary on an inclined plane
What is the arctangent of the coefficient of static friction used for in relation to inclined planes?
What is the arctangent of the coefficient of static friction used for in relation to inclined planes?
- To calculate the work done by friction on an inclined plane
- To calculate the force required to move an object up an inclined plane
- To determine the mechanical advantage of an inclined plane
- To calculate the angle of friction or angle of repose (correct)
How does moving an object up an inclined plane compare to lifting it straight up?
How does moving an object up an inclined plane compare to lifting it straight up?
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What does conservation of energy imply about lifting a given object by a given vertical distance using an inclined plane?
What does conservation of energy imply about lifting a given object by a given vertical distance using an inclined plane?
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