Intro to Forces + Newton's Laws Video Lessons

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Problem: Which of the following statements about forces is  not correct?A) In order for an object to turn, a force must be applied on itB) In order for an object to change speed, a force must be applied on itC) An object can put a force on another object without feeling a force in response; it depends on the objectsD) If an object feels a weight mg due to the Earth, then the Earth must feel a force mg in the opposite direction

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Problem Details

Which of the following statements about forces is  not correct?

A) In order for an object to turn, a force must be applied on it

B) In order for an object to change speed, a force must be applied on it

C) An object can put a force on another object without feeling a force in response; it depends on the objects

D) If an object feels a weight mg due to the Earth, then the Earth must feel a force mg in the opposite direction

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