A tourist drags his suitcase (Weight 130N) a distance of 250m at a constant speed to catch his flight. He exerts 60N at an angle 40 degrees above the horizontal.

a.

What work does he do?

b.

What work is done by friction?

c.

Find the coefficient of kinetic friction

• Hint:
• Solution:part a.
• Solution:part b.
• Solution:part c.