Question

Two blocks are connected by a thin inexten-
sible string over a frictionless massless pulley
as shown on the picture below
The acceleration of gravity is 9.8 m/s2 .
58 kg weight of box hanging from pulley

36 kg weight of box on ramp


v = 6.1 m/s
a = 1.1 m/s2
@39 Degrees
Given that the two blocks move at 6.1 m/s
under an acceleration of 1.1 m/s2, calculate
the coefficient μk of kinetic friction between
the left block and the incline.

Answer 1

Always start with a FBD. We will have two here: one for the hanging box and one for the box on the ramp.