Physics

30 January, 21:08

When a roller coaster goes in an upside-down loop, which of the following is true?

A: the force reasonable for circular motion is acting toward the middle of the loop.

B:the force reasonable for circular motion is a ting all the way to the ground.

C: the force reasonable for circular motion is acting toward the top of the loop.

D: no force is acting on the roller coaster.

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