A student uses a lever and fulcrum to lift a rock off the ground.

Which option describes when potential energy is converted into kinetic energy during this process?


a. when the lever is wedged beneath the rock but before it has been lifted

b. when the student presses down on one side of the lever to cause it to move

c. when the rock rests on the ground without the lever

d. when the rock rests above the ground

Answers

Answer 1

Answer:B

Explanation: I know this because kinetic energy is when something is moving and potential energy is when something is not moving and the energy is being stored so it has you are pushing on the other side moving the object it is transforming the potential energy also known as stored energy into movement also known as kinetic energy

Answer 2
B is the correct answer

Related Questions

Match the following items.
1.
uses a lens to gather and focus light
refracting telescope
2. separates starlight into wavelengths
radio telescopes
3. pick up faint-lighted stars
spectrograph
4. see binary stars
giant refractors
5. see behind nebulae dust
giant reflectors

Answers

Answer:

1-uses a lens to gather and focus light- giant reflectors

2-separates starlight into wavelengths- spectrograph

3-pick up faint-lighted stars- radio telescope

4-see binary stars- refracting telescope

5-see behind nebulae dust- giant refractors

Explanation:

is it correct?

What is the force called that is applied to an object and it's NOT opposite and/or equal?

Answers

i think the answer would be velocity.

Answer:

velocity

Explanation:

On a summer's day, beach sand will feel, and be, much hotter than the adjacent water due to the sand's lower thermal conductivity.
true or false?
T-T

Answers

Answer:

true. good luck, you need it!

Explanation:

The answer to the question is true
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