Q1 A person on a swing at the park traces a circular path. In whatdirectionis the centripetal acceleration of the swing?

Image of person swinging back and forth along a curved path

Downward toward the center of the Earth

Along the curved path of the swinging motion, in the direction, the person is moving

Toward the support above the person's head

Q2 Two tennis balls are each on a 1-meter length rope and each are being swung in a circle. In which case is the most force required as the tennis balls are circling?

Ball that has an orbital speed of 3 m/s

Both tennis balls will require the same force

Ball that has an orbital speed of 13 m/s

Q3 A baseball is hit and the bat gives the baseball a horizonal speed of 78 mph. Assume no air resistance.

The baseball will lose some of this speed during the flight. (True or False)

Q4Two steel balls are resealed from the same height at the same time. One is launched horizontally and one is allowed to drop. Which steel ball will hit the ground first? Assume no air resistance.

Launched steel ball

Dropped steel ball

Both will hit at the same time