Question

What is the potential energy of a stone of mass 10 kg that is lifted to a height of 8 m. If g =10 N /kg​

Answer 1

Answer:

In the formula, m is mass, g represents acceleration due to gravity and h refers to height. Potential energy - 800 J. Hence, the potential energy of a stone is 800 J

Explanation:

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Answer 2

Given :-

Mass of the stone = 10 kg

Height of the stone lifted = 8 m

To Find :-

The potential energy of the stone.

Analysis :-

Here we are given with the mass and the height.

In order to find the work done substitute the given values from the questions accordingly such that work done is equal to mass into gravity into height.

Solution :-

We know that,

• m = Mass
• w = Work done
• g = Gravity
• h = Height

Using the formula,

$\underline{\boxed{\sf Potential \ energy=Mass \times Gravity \times Height}}$

Given that,

Mass (m) = 10 kg

Gravity (g) = 10 m/s

Height (h) = 8 m

Substituting their values,

⇒ w = mgh

⇒ w = 10 × 10 × 8

⇒ w = 100 × 8

⇒ w = 800 J

Therefore, the potential energy of the stone is 800 J.