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A planet's revolution around the sun can be modeled by swinging a ball on a string in a circle. In this model, which of the following represents gravity holding the planet in orbit? A. The ball B. The
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20 votes
A planet's revolution around

the sun can be modeled by
swinging a ball on a string in
a circle. In this model, which
of the following represents
gravity holding the planet in
orbit?
A. The ball
B. The string
C. The direction the ball is moving

User Darwing
by
6.1k points

1 Answer

7 votes
B:The string
Without it the ball would just roll away/ fly away
User Yuyutsu
by
6.0k points
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