A cart weighing 40 pound is placed on a ramp inclined at 15 degrees to the horizontal. The cart is held in place by a rope inclined 60 degrees to the horizontal. Find the force that the rope must exert on the cart to keep it from rolling down the ramp.

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? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.