In which of the following situations does gravity supply a centripetal force? a. the space shuttle orbiting the earth b. a child on a merry-go-round c. a bike rounding a curve d. a book falling off a table

John spent the last few decades doing crossfit, but now that he's a bit older, he's decided to switch to more individualized training to retain the physical benefit of - strength building - footwork and balance - scoring and strategy - rhythmic movement