|
Title: You hold a 5-newton rock motionless in your hand. Regarding the forces on this r Post by: einsteindude on Dec 2, 2014 You hold a 5-newton rock motionless in your hand. Regarding the forces on this rock,
A) the downward force of gravity is balanced by the upward force of air resistance. B) the net force on the rock is 5 newtons, directed upward. C) the net force on the rock is zero. D) there are no forces of any kind acting on the rock, because it is not moving. E) the net force on the rock is 5 newtons, directed downward. Title: Re: You hold a 5-newton rock motionless in your hand. Regarding the forces on this r Post by: mel!811 on Dec 4, 2014 Content hidden
|