Can 600 N Pull the Same Cart Twice? - Get a Second Opinion!

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Discussion Overview

The discussion revolves around the question of whether a cart pulled by a man exerting a force of 600 N and a cart pulled by an iron weight of 60 kg attached to a rope experience the same acceleration. The context includes theoretical considerations and mathematical reasoning related to forces and motion.

Discussion Character

  • Technical explanation
  • Mathematical reasoning

Main Points Raised

  • One participant suggests that both the man and the weight exert a force of 600 N downwards, leading to the assumption that the acceleration would be the same in both scenarios.
  • Another participant agrees, stating that the acceleration would indeed be the same and provides a formulaic justification using the equation F = ma.
  • A third participant emphasizes that the acceleration depends only on the force applied and mentions that if the angle of tension is the same, the acceleration will also be the same, providing mathematical calculations to support this claim.

Areas of Agreement / Disagreement

Participants generally agree that the acceleration should be the same under the conditions described, although the discussion includes different approaches to justify this conclusion.

Contextual Notes

The discussion assumes a frictionless surface and does not address potential variations in the angle of the rope or other external factors that could influence the acceleration.

qwexor
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Force Question - Still want another oppinion!

A man pulls a cart on a friction fee surface by means of a pulley and rope. He pulls the rope at 600 N. Now replace the man's action with an iron weight of 60 kg so that it is attached to the end of the rope. The cart is again set in motion. Is the acceleration the same in both situations. ( Use g to 10m/s/s) , (mass of cart = 50kg)

You can see a picture of the situation here: http://www.members.shaw.ca/qwex/physics.jpg

So my assumption is that both the man and the weight would pull with 600 N downwards. So would this make the acceleration the same. I'm guessing the distance is the same in both situations as well. Is there any way I can explain this? Am I even correct? Thank you!
 
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I think you are right, the acceleration would be the same since to determine the force that the iron pulls the cart. We use the formula:
F = ma = 60 x 10 = 600 N which is the same as the force that the man pulls the rope.

XMLT
 
Thanks! Any one else?
 
Acceleration will be the same, it depends only on the force applied to it. If the angle, at which tension is prodced, is same then the acc. will be the same.
To show it correct prove it mathematically or go to the experiments.
a = f/m = 600/50 = 12 (man pulled)
a = f/m = (M*g)/m = 60*10/50 = 12
 

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