Which of the following statement is true? a. Energy lost is destroyed
b. Energy lost transforms to heat energy
c. Energy is never wasted
d. Energy unused is recycled in the atmosphere.

Which fact supports the conclusion that there will be fewer farm managers in the future? a) a farmer manager’s duties vary by the type of farm. b) farm technology is replacing some administrative jobs c) farm managers often need experience but not education. d) administrative duties include budgeting and training staff.

If a simple machine reduces the strength of a force, what must be increased?

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?