1.
a rope is used to pull a metal box 20.0 m across the floor. the rope is
held at an angle of 30.00 with the floor and a force of 525 n is applied.
how much work does the force on the rope do?

Which example has gravitational potential energy? a. a horse slowing down from a run b. an apple about to fall from a tree branch c. a bicycle being pedaled down a horizontal path d. beaker sitting on the floor

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward