Awave that moves back and forth at right angles is called what

A wave that moves back and forth at right angle is called Transverse waves. In transverse wave particles are in to fro motion perpendicular to the direction of energy.

the answer is neither ball has a charge.

because if they were both positively charged, they will repel each other.

if they were positively and negatively charged, they will seek.

wire in brush may conduct electricity from cell to drill and vice versa electrc shock possible