two children pull on a sled in opposite directions, each pulling with a force of 11 N. a) What is the net force acting on the sled? c) What is the acceleration of the sled? d) What is the velocity of the sled? show work.

Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.