Aperson holding a 30 kg box 1 m above the floor puts it down. how much work was done ? remember , the force of an objects weight = mass times gravity
a. 0.0j
b. 30j
c. 147 j
d. 294 j

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

The arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s . 1.) a. precipitation b. water vapor c. icy debris 2.) a. gravitational compression b. biochemical cycling c. radiogenic heating 3.) a, gravity b. magnetic field c. heat energy for plato

Aforce of 100 newtons is used to move an object a distance of 15 meters with a power of 50 watts. find the work dine and the time it takes to do the work