Think about the following statement only communities located downstream in a watershed need to be concerned about how the water resources are managed in the watershed. in a paragraph, explain whether you agree or disagree with this statement and give at least two reasons on you opinion

The momentum of an isolated system is conserved a) only in inelastic collisions. b) only in elastic collisions. c) in both elastic and inelastic collisions

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

You are your friend move a new refrigerator into his kitchen. you apply a horizontal force of 252 n in the negative x direction to try and move the 56 kg refrigerator. the coefficient of static friction is 0.61. (a) how much static frictional force does the floor exert on the refrigerator? give both magnitude (in n) and direction. magnitude n direction (b) what maximum force (in n) do you need to apply before the refrigerator starts to move?