A passenger on a Ferris wheel moves in a vertical circle at a constant speed. Are the forces on her balanced?

A. Yes, the speed it constant.
B. No, the direction of the net force does not change.
C. No, there is an inward net force.
D. Yes, it moves in a vertical circle.

Respuesta :

C.  The force is a constant change,  because her position on the Ferris wheel will constantly change.  I believe this is the answer, but use sources to double check.  I might use different vocab. then your teachers.  

The forces are balanced because an unbalanced force will cause the  Ferris wheel to accelerate.

According to Newtons's first law of motion, a body will continue in its state of rest or uniform motion unless it is acted upon by an unbalanced force. According to the question, the Ferris wheel moves in a vertical circle at a constant speed.

Note that the, the fact that the speed is constant implies that the forces are balanced because an unbalanced force will cause the  Ferris wheel to accelerate.

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