Compared to the force needed to start sliding a crate across a rough level floor, the force needed to keep it sliding once it is moving is

Awalk up the phase change graph worksheet

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.