Question

Which of the following is an example of contact force
Electrostatic force
Muscular force
Electric force
Gravitational force

Answer 1

muscular force is the answer as you have to apply energy from your body to move a body's position. en electrostatic force there is no contact with the object as it is with reference to magnetism properties. Gravitational is also not as there is no direct contact with force applied on us by the earth.

Answer 2

muscular force because with the help. of muscular force we move any object

example -- pushing a box, pulling a door etc..