If the forces acting on an object are balanced, the object may change speed, change direction, or do both TRUE OR FALSE

Question

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Answer 1

The key word here is BALANCED.  Balanced forces have a net force of 0, meaning they they impart no acceleration to an object.  It's as though no force is acting at all.  So, let's rephrase the question:

 

If NO force is acting on an object, will it change speed or direction?

 

By Newton's first law (An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force), neither speed nor direction change.

 

Our force is balanced. 

 

The answer must be FALSE.

Answer 2

Another way to phrase this is that there is a net force, which means that there will be a net acceleration. Acceleration is any change in velocity, which is a vector, so that can be a change in the magnitude of velocity (speed) or the direction, or both.

TRUE

 

++ correction ++ Gregg O. is right, I misread and thought it was unbalanced