Work Done by Kinetic Friction on Ramp · CAP 2023 #2
Physics · mechanics
Problem
A 1kg object slides 3.6 m down a ramp with a 35° slope. It has an initial speed of 2 m/s and a final speed of 1.06 m/s when it reaches the bottom. What was the work done by kinetic friction (μk=0.3) when the object has slid to the bottom of the ramp?
a) 10.6 Nm
b) 21.7 Nm
c) 0 Nm
d) 19.6 Nm