Q. A circuit contains six 230 lamps and a 14.0 heater connected in parallel. The voltage across the circuit is 120 V. If the circuit has a 13 A fuse, will the fuse melt if all the lamps and the heater are on?
Q. A 400 kg car sits 2 m to the right of a fulcrum assuming the car is on a weightless rod, how far to the left of the fulcrum must an effort of 200 N be applied to keep the system in quilibrium?