Answer to Question #155063 in Physics for John Mark Bongcayao

Question

A 400-N ship passenger climbs a 2-m high staircase. At the top, the total 

 amount of potential energy she has gained is 

Answer 1

By the definition of the potential energy, we get:

$$PE=mgh=F_{weight}h=400\ N\cdot 2\ m=800\ J.$$

Answer:

$PE=800\ J.$