Newton's Laws of Motion-static friction and kinetic friction

Описание к видео Newton's Laws of Motion-static friction and kinetic friction

A 2.5 kg medical equipment is initially at rest on a horizontal surface. A horizontal
force �⃗ of magnitude 6.0 N and a vertical force �%⃗ are then applied to the
equipment as shown below. The coefficients of friction for the equipment and
surface are �! = 0.40 and �" = 0.25. Determine the magnitude of the frictional
force acting on the equipment if the magnitude of �%⃗ is (a) 8.0 N, (b)10 N, and
(c) 12 N.

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