A dipole moment with an electric moment p is located at a distance r from a long thread charge uniformly with linear charge density find the force acting on a dipole if dipole moment is oriented along a thread.

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational

Which sound characteristic is not affected by the relative motion of an object