A Horizontal Force Is Used to Push an Object $\theta$

question 2

Multiple Choice

A horizontal force is used to push an object of mass m up an inclined plane. The angle between the plane and the horizontal is $\theta$ . The normal reaction force of the plane acting on the mass m is

• A) mg cos \(\theta\) + F cos \(\theta\)
• B) mg cos \(\theta\)
• C) mg cos \(\theta\) + F sin\(\theta\)
• D) mg cos \(\theta\) - F cos \(\theta\)
• E) impossible to determine because the coefficient of friction is not given.

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