The diagram below represents a 155newton box on a ramp. Applied force F causes the box to slide from point A to point B. What is the total amount of gravitatio
Question
on a ramp. Applied force F causes the box to
slide from point A to point B.
What is the total amount of gravitational potential
energy gained by the box?
A. 28.4)
B. 279)
C. 868J
D. 2740 J
1 Answer

1. User Answers SaniShahbaz
Answer:
279J is the total amount of gravitational potential energy gained by the box.
Stepbystep explanation:
Note: As you missed to add the diagram. So, I found and have attached the diagram as shown in figure a which is attached below, based on which I am answering your question. Hopefully, it would help understand the concept.
The energy stored in an object near the surface of the Earth due of its state in a gravitational field is termed as Gravitational potential energy.
The formula to get gravitational potential energy: [tex]Ep_}=mgh[/tex]
Here,
m = mass of the object normally measured in kg
g = gravitational acceleration having constant value as 9.8 m/s²
h = height in m
As from the diagram a, we observe that object carries 155newton force and at point B, the height is 1.80 m, as shown in figure a.
So,
F = 155 N
h = 1.80 m
From F = mg, we can get the mass of object
F = mg ∵ g = gravitational acceleration
m = F/g
m = 155/9.8 ⇒ m = 15.81
The gravitational potential energy is measured in joule which is abbreviated as 'J'.
The formula to get gravitational potential energy:
[tex]Ep_}=mgh[/tex]
[tex]Ep_}=(15.81)(9.8)(1.80)[/tex]
[tex]Ep_}=278.88J[/tex] ≈ [tex]279J[/tex]
Therefore, 279J is the total amount of gravitational potential energy gained by the box.
Keywords: potential energy, force
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