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Author Question: Using a lever to move a rock reduces the force a person must exert. What does it do to the work the ... (Read 137 times)

Deast7027

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on: Jul 28, 2018
Using a lever to move a rock reduces the force a person must exert. What does it do to the work the person must do?
 a. it reduces the work also c. the work increases
  b. the work stays the same d. none of the above

Question 2

If one were told the object's initial velocity then one could calculate the work done by using the equations for constant acceleration to find the distance traveled. When we say work is done against a force, we mean the force does
 a. none of the work c. negative work
  b. positive work d. zero work


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emilymalinowski12

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


Deast7027

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Reply #2 on: Jul 28, 2018
Thank you!


emilymalinowski12

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Reply #3 on: Jul 28, 2018
Always glad to help...


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