In which situation is the object experiencing balanced forces? A) A girl swings on a swing at the playground. B) A car brakes as it approaches a traffic light. C) A sled speeds up as it slides down a snow-covered hill. D) A sky diver reaches terminal velocity when he stops accelerating.

Question

In which situation is the object experiencing balanced forces? A) A girl swings on a swing at the playground.	 B) A car brakes as it approaches a traffic light.	 C) A sled speeds up as it slides down a snow-covered hill.	 D) A sky diver reaches terminal velocity when he stops accelerating.

ookawaiioo · Answer

A sky diver reaches terminal velocity when he stops accelerating.	

F = mass*gravity = Force of air resistance pushing up on the person. 

Reached terminal velocity = acceleration = zero