Sara weighs 450 N. She climbs a flight of stairs to a height of 3 m. It takes her 5 seconds. She plans to climb the flight of stairs again in the same amount of time, but this time while carrying two heavy books.

How does the amount of work she does change from the first to the second trip up the stairs?

A.
The work decreases, and then increases.

B.
The work increases, and then decreases.

C.
The work increases.

D.
The work decreases.

Question

Sara weighs 450 N. She climbs a flight of stairs to a height of 3 m. It takes her 5 seconds. She plans to climb the flight of stairs again in the same amount of time, but this time while carrying two heavy books. 
 
How does the amount of work she does change from the first to the second trip up the stairs?
 
 A.
The work decreases, and then increases.
 
 B.
The work increases, and then decreases.
 
 C.
The work increases.
 
 D.
The work decreases.

jabez177 · Answer

The work Increases, right?

jabez177 · Answer

@sweetburger

sweetburger · Answer

yep because F increases due to the increased weight.

jabez177 · Answer

Yeah so when she got the more books it increased.
thx :)