Acart is rolling down a ramp. if the angle of the ramp is increased to make the ramp steeper the cart will

15. one purpose of the tread pattern on a tire is to a reduce tire wear. b. reduce traction c. allow water to flow away from the tire. d. look impressive.

All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction

What is the measure of a change in an objects velocity?