Which statement is most correct? A.
Electric currents and magnets each exert a force.
B.
Electric currents exert a force but magnets do not
C
Neither an electric current nor a magnet exert a force.
D
Electric currents do not exert a force but magnets do exert a force.

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

Aforklift raises a 1,020 n crate 3.50 m up to a shelf. how much work is done by the forklift on the crate? the forklift does j of work on the crate.

Which accurately compares concave and convex lenses?