An 6.0 kg sled is initially at rest on ahorizontal road. The coefficient of kine

Question

An 6.0 kg sled is initially at rest on ahorizontal road. The coefficient of kinetic friction between thesled and the road is 0.40. The sled is pulled a distance of 3.0 mby a force of 37 N applied to the sled atan angle of 30° to the horizontal. (a) Find the work done by the appliedforce.
J

(b) Find the energy dissipated by friction.
J

(c) Find the change in the kinetic energy of the sled.
J

(d) Find the speed of the sled after it has traveled 3 m.
m/s (a) Find the work done by the appliedforce.
J

(b) Find the energy dissipated by friction.
J

(c) Find the change in the kinetic energy of the sled.
J

(d) Find the speed of the sled after it has traveled 3 m.
m/s

Explanation / Answer

coefcient of kinetic friction = 0.4

distance S= 3 m

Applied force F = 37 N

Angle = 30 degrees

(a). work done by applied force W = F cos 30 * S

                                                        = 96.12 J

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