Sample Multiple Choice Questions A block is being pulled by a rope up an incline

Question

Sample Multiple Choice Questions A block is being pulled by a rope up an incline that makes an angle with the horizontal. The surface 1 of the incling is rough, not smooth. The rope pulls parallel to the incline. The speed of the block is g as it goes up. Is the Free Body Diagram below an ccurate pieture of the forces on th block? mg A. No, the angle marked 0 is not congruent with the angle the incline makes with the horizontal. B. No, the magnitude of the frictional force is physically impossible. C. No, the frictional force has the wrong direction. D. No, the tension force has the wrong magnitude. E. Yes, the Free Body Diagram is correct as shown. You are standing on the sidewalk on the south side of Campus Drive looking into the street. A pickup truck passes by, going eastwards at 43.8 m/s. Los Angeles Dodgers pitcher Clayton Kershaw happens to be standing in the bed of the truck, and just as he passes in front of you, he throws his best fastball 2.

Explanation / Answer

The given fbd is correct with all the forces drawn in the correct direction.

So the correct option is:

E. Yes the free body diagram is correct as shown.

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