Newtons 1st law. Simple problem.

  • Thread starter Ambushes
  • Start date
  • #1
Ambushes
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Homework Statement



Sorry if i sound stupid, i just can't understand this problem.
Bob wants to tow a car with his truck. He loosely attaches a rope between the vehicles. Bob accelerates rapidly with his truck, forcing the rope to snap.

Explain the scenario using Newton's First Law.

The Attempt at a Solution



I want to say that the car wants to stay at rest, but shouldn't bob's truck be considered an external force acting upon it?

Any help would be appreciated.
 

Answers and Replies

  • #2
magnolia1
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Hi Ambushes,
First law in terms of a net force: "if there is no net force acting on a body (Fnet=0), the body's velocity cannot change and the body cannot accelerate"
The loosely tied rope probably snapped before any significant force could be exerted.
A body at rest, stays at rest.
Hope it helps!
 

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