PROBLEM 3: Block A weighs 280. N and block B weighs 500. N. Block A is held by a cord fastened to the wall. Force P is applied on B to drag it to the left at constant speed. The coefficient of friction between A and B is 0.30 and that between B and the floor is 0.32. Find the following (a) the normal force exerted by B on A, NA (b) the tension in the cord attached to A, T (c) the frictional force exerted by B on A, fa (d) the force applied on B, P (e) the frictional force exerted by the ground on B, fa- 60° A 20° B
PROBLEM 3: Block A weighs 280. N and block B weighs 500. N. Block A is held by a cord fastened to the wall. Force P is applied on B to drag it to the left at constant speed. The coefficient of friction between A and B is 0.30 and that between B and the floor is 0.32. Find the following (a) the normal force exerted by B on A, NA (b) the tension in the cord attached to A, T (c) the frictional force exerted by B on A, fa (d) the force applied on B, P (e) the frictional force exerted by the ground on B, fa- 60° A 20° B
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Transcribed Image Text:Problem 3. *
PROBLEM 3: Block A weighs 280. N and block B weighs 500. N. Block A is held by a cord fastened to the
wall. Force P is applied on B to drag it to the left at constant speed. The coefficient of friction between A
and B is 0.30 and that between B and the floor is 0.32. Find the following (a) the normal force exerted by
B on A, Na. (b) the tension in the cord attached to A, T (c) the frictional force exerted by B on A, fa (d)
the force applied on B, P (e) the frictional force exerted by the ground on B, fg-
60°
A
20°
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