Friction is an example of _________ force
irregular force
non-contact
regular force
contact
Friction is an example of contact force.
(a) Define frictional force (or friction)
(b) Explain why frictional force is said to be a contact force.
(c) Explain why magnetic force is said to be a non-contact force.
(a) What is meant by a contact force? Explain with the help of an example.
(b) What is meant by a no-contact force? Explain with the help of an example.