A constant force of 560 n was applied to a rock. If 2700j of energy was used to move the rock, how far did the rock move

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage

How much force was applied to an object if was moved 2 meters and the work done on the object was 8 joules? a. 0.25 n b. 4 n c. 6 n d. 16 n

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your