Mark weighs 375 N and is carrying a full-sized cello as he climbs the stairs to a height of 4 m. It takes him 3 seconds to do this.

How does the amount of work he does change if he were to climb the same flight of stairs again in the same amount of time, but this time without the cello?

A.
It increases.

B.
It decreases.

C.
It depends on the weight of the cello.

D.
It remains the same.

Question

Mark weighs 375 N and is carrying a full-sized cello as he climbs the stairs to a height of 4 m. It takes him 3 seconds to do this.
 
How does the amount of work he does change if he were to climb the same flight of stairs again in the same amount of time, but this time without the cello?
 
 A.
It increases.
 
 B.
It decreases.
 
 C.
It depends on the weight of the cello.
 
 D.
It remains the same.

anonymous_user · Answer

The amount of work would decrease.