little kakashi hatake

a box of cleaning supplies weighs 15 N. if the box is lifted a distance of 0.60 m, how much work i sdone? A)0.040 J B)9 J C)14 J D)25 J

to chop wood you apply 50.0 N of force to an ax. the ax supplies 600.0 N of force to the wood. what is the mechanical advantage of the ax? A)650.0 B)8.3 C)12.0 D)0.0833

you do 185 J of work pulling a cart up a ramp. if the ramp does 153 J of work,what is the efficient of the ramp? A)82.7 percent B)121.0 percent C)32.0 percent D)338.0 percent

remy noticed that after oiling his skateboard wheels,it was easier to reach the speeds he needed to preform tricks how did the oil help A) the oil reduced friction between the moving parts of the skateboard B)the oil increased friction between the moving...

when building a house, wich of the following is a simple machine that a construction worker would use? A)plywood B)safety hat C)cement D)pulley

please help ms sue im dying for your help!!!

thank you so much

its 12