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Q. A uniform meter stick is placed on and parallel to the x axis with the 50 cm mark at the origin. It is pivoted at the 50 cm mark. A 5.3 N force is applied at the 21 cm mark, and a (-7.0) N force is applied at the 1 cm mark. Find the net torque on the rod.

Q. An outfielder throws a 0.150 kg baseball at a speed of 39.6 m/s and an initial angle of 34.0° What is the kinetic energy of the baseball at the highest point of its trajectory?

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