Which force exists between two positive charged substances ?
Force of repulsion
Like charges repel each other; since both substances carry positive charge, the force between them is a force of repulsion.
The sole, of the shoes are made rough to :
Which of the following physical quantity is responsible for opening the lid of a bottle?
The use of lubricants makes the surface-
If a box of mass 25 kg is pushed 15 m by a force of ‘F’ N and work done in the process is 480 J. Find F:
If an object moves in a circular path with uniform ________, its motion is called uniform circular motion
Which of the following is an example of contact force?