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Q. A block of mass M is held motionless on a frictionless inclined plane by means of a string attached to a vertical wall as shown in the diagram.what is the magnitude of the tension t in the string?

Q. A firefighter with a weight of 745 N slides down a vertical pole with an acceleration of 2.90 m/s2, directed downward.

(a) What are the magnitude and direction of the vertical force (use up as the positive direction) exerted by the pole on the firefighter?

(b) What are the magnitude and direction of the vertical force (use up as the positive direction) exerted by the firefighter on the pole?

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Category:- Physics
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