Monday, April 9, 2007

Lacrosse Gloves Sizes





The figure shows a body resting on a horizontal surface with friction.

The body is pressed against a rigid rod of a compressed spring. Explain why, in this situation, it is not possible to determine either the direction nor the magnitude of friction force.
Bonuses: A (+ +) in the first comment makes sense, a (+) next to each significant comment; (+++) to a solution of the question.
Deadline: Thursday 12 / 4 / 07, 24:00.