four forces 10n, 5n, 4n, and 6n act on an object in the direction of north, west, East and south respectively. what is the magnitude and direction of their resultant forces

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?