Force and Magnitude

  • #1
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1. A person is pulling a heavy cart up a hill. The cart has 400 kg of mass inside it. The person is pulling the cart with 10 N of force. What is the magnitude of the force on the person due to the cart?


3. Is it 4000N?
 

Answers and Replies

  • #2
CWatters
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What does Newtons third law say about people exerting a force on a cart?
 
  • #3
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What does Newtons third law say about people exerting a force on a cart?

For every action there is an equal and opposite reaction.
 
  • #4
CWatters
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Correct.

The question states that the person exerts a force of 10N on the cart so apply Newtons third law to work out how much force the cart exerts on the person.
 
  • #5
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Thanks!!
 

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