Question

1a) How much work is required for a 60 kg person to climb the stairs near the entrance of Science 2 from the first floor to the second floor? The incline angle of the stairs is 30°, and the total height is 3.5 m.

b) Suppose the same person decides to take the steeper staircase (incline ~ 35°) in the corner of the building instead. Would the work necessary to ascend to the second floor be greater, smaller, or the same as in part (a)? Explain your reasoning.

Answer 1