Calculating Force and Magnitude of Pulling 400kg Cart up Hill

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Homework Help Overview

The discussion revolves around calculating the forces involved when a person pulls a 400 kg cart up a hill, specifically focusing on the interaction between the person and the cart as described by Newton's third law.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants explore the implications of Newton's third law in the context of the forces exerted by the person and the cart. Questions are raised about the magnitude of the force exerted by the cart on the person based on the force the person applies.

Discussion Status

The discussion is actively exploring the relationship between the forces involved, with some participants confirming the application of Newton's third law. There is an acknowledgment of the forces at play, but no consensus has been reached on the specific calculations.

Contextual Notes

Participants are considering the implications of the mass of the cart and the force applied, but there may be assumptions about the hill's incline and friction that are not explicitly stated.

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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?
 
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What does Newtons third law say about people exerting a force on a cart?
 
CWatters said:
What does Newtons third law say about people exerting a force on a cart?

For every action there is an equal and opposite reaction.
 
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.
 
Thanks!
 

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