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Author Question: A very light cart holding a 100-N box is moved at constant velocity across a 10-m level surface. ... (Read 136 times)

melina_rosy

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on: Jul 28, 2018
A very light cart holding a 100-N box is moved at constant velocity across a 10-m level surface. What is the net work done in the process?
 a. zero
  b. 1/10 J
  c. 10 J
  d. 100 J
  e. 1 000 J

Question 2

If during a given physical process the only force acting on an object is friction, which of the following must be assumed in regard to the object's kinetic energy?
 a. It decreases.
  b. It increases.
  c. It remains constant.
  d. It cannot be determined from the information given.


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Kdiggy

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

a

Answer to Question 2

d


melina_rosy

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Reply 2 on: Jul 28, 2018
Gracias!

covalentbond

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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