9. Use the second law of motion to explain the following observations. a. Twin dudettes Katy and Kelly have a grocery cart race. Katy pushes a loaded grocery cart; Kelly pushes an empty grocery cart with the same force. Who wins the race? Katy Kelly O Katy wins the race Kelly wins the race Justify your answer: Kelly b. Kelly and her little brother Kevin have a grocery cart race. Both carts are empty. Assume Kevin cannot apply as much force as Kelly. Who wins the race? Kevin PE O Kelly wins the race. Kevin wins the race Justify your answer:

Inquiry into Physics
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Author:Ostdiek
Publisher:Ostdiek
Chapter2: Newton's Laws
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9. Use the second law of motion to explain the following observations.
Katy
a. Twin dudettes Katy and Kelly have a grocery cart race. Katy pushes
a loaded grocery cart; Kelly pushes an empty grocery cart with
the same force. Who wins the race?
Kelly
O Katy wins the race
O Kelly wins the race
Justify your answer:
Kelly
b. Kelly and her little brother Kevin have a grocery cart race. Both
carts are empty. Assume Kevin cannot apply as much force as
Kelly. Who wins the race?
Kevin
O Kelly wins the race.
Kevin wins the race
Justify your answer:
Transcribed Image Text:9. Use the second law of motion to explain the following observations. Katy a. Twin dudettes Katy and Kelly have a grocery cart race. Katy pushes a loaded grocery cart; Kelly pushes an empty grocery cart with the same force. Who wins the race? Kelly O Katy wins the race O Kelly wins the race Justify your answer: Kelly b. Kelly and her little brother Kevin have a grocery cart race. Both carts are empty. Assume Kevin cannot apply as much force as Kelly. Who wins the race? Kevin O Kelly wins the race. Kevin wins the race Justify your answer:
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