A bear walks from +9 m to +5 m. Which of the following statements is true about the bear’s motion?
Savg = 4 m/s
= +14 m
Pi = +5 m
Pf = +5 m

In raising a 6200-n piano with a pulley system, the movers note that, for every 2.2 m of rope pulled down, the piano rises 0.12 m . ideally, find the force required to lift the piano.

What is hidden during a lunar eclipse? isn't the moon hidden?

Abearing is designed to a reduce friction b. support a load c.guide moving parts such as wheels, shafts and pivots d. all of the above