A 2.50 kg wood block is pressed against a vertical wood wall by a force applied 34.9° to the horizontal. If the block is initially at rest, and μs=0.493, what force would you need to apply to begin moving the box up the wall?
1 Answer
Jul 25, 2017
negative sign denotes force in opposite direction
pulling instead of pushing at the same angle
Explanation:
[P in image is the applied force]
[to start motion, no motion yet:
Substitute the values