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Author Question: If the net torque on an object is zero, does the the net force on the object also have to be zero? ... (Read 55 times)

tsand2

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on: Jul 29, 2018
If the net torque on an object is zero, does the the net force on the object also have to be zero?
 
  What will be an ideal response?

Question 2

You slam on the brakes of your car in a panic, and skid a certain distance on a straight, level road. If you had been traveling twice as fast, what distance would the car have skidded, under the same conditions?
 
  A)
 
  It would have skidded 4 times farther.
  B)
 
  It would have skidded twice as far.
  C)
 
  It would have skidded 1.4 times farther.
  D)
 
  It would have skidded one half as far.
  E)
 
  It is impossible to tell from the information given.


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babybsemail

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Reply #1 on: Jul 29, 2018
Answer to Question 1

No. If the sum of the forces on an object are not zero, then the CM of the object will accelerate in the direction of the net force. If the sum of the torques on the object are zero, then the object has no angular acceleration.

Answer to Question 2

A


tsand2

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Reply 2 on: Jul 29, 2018
Gracias!

essyface1

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Reply 3 on: Yesterday
Excellent

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