Question : Which of the following is not a non-contact force?

Option 1: Gravitational

Option 2: Electrostatic

Option 3: Friction

Option 4: Magnetic

Question : Which of the following is an example of contact force?

Option 1: Electrostatic force

Option 2: Muscular force

Option 3: Gravitational force

Option 4: Magnetic force

Question : In which of the following friction is not involved?
(A) Magnetic force
(B) Contact force
(C) Non-contact force
(D) Couple force

Choose the correct answer from the options given below :
 

Option 1: (A), (B) and (C) only
 

Option 2: (A), (C) and (D) only
 

Option 3: (B), (C) and (D) only
 

Option 4: (A), (B) and (D) only