Quote (Similac @ Oct 5 2012 05:44pm)
1.if you push of a toy truck rolling alone the floor. what will happen to the motion of the truck?
The truck will increase moving, slow down, then stop moving altogether.
Quote (Similac @ Oct 5 2012 05:44pm)
2.what term refers to the sum of all of the forces acting on an object?
Net force.
Quote (Similac @ Oct 5 2012 05:44pm)
3.if the net force on an object is zero what do you know about all the forces acting on the object?
If you add all the forces up, they equal zero. If only two forces are acting on the object, you know they are equal and opposite.
Quote (Similac @ Oct 5 2012 05:44pm)
4.when several people are pushing on a large rock and it starts to roll what do you know about the forces acting on the rock?
Quote (Tylercool44 @ Oct 5 2012 06:07pm)
That they are greater than the forces keeping the rock from moving.
Pretty much