If the forces acting on an object produce a net force of zero, the forces are called

State the right hand rule of the direction of magnetic field in a conductor carrying current

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

Which one of the following research methods can show cause and effect