A 25-N Crate Is Held at Rest on a Frictionless

question 56

Multiple Choice

A 25-N crate is held at rest on a frictionless incline by a force that is parallel to the incline.If the incline is 25°above the horizontal the magnitude of the normal force of the incline on the crate is:

• A)4.1 N
• B)4.6 N
• C)8.9 N
• D)11 N
• E)23 N

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