Q. A person exerts a horizontal force of F = 179N in the test apparatus shown in the drawing. (h = 0.33 m.) Determine the horizontal force M that his flexor muscle exerts on his forearm.
Q. A converging lens (f = 11.0 cm) is held 5.60 cm in front of a newspaper, print size of which has a height of 1.70 mm. Determine (a) image distance (in cm) and (b) height (in mm) of the magnified print.