The statement "friction force is a contact force while magnetic force – McqOptions

MCQOPTIONS

1.	The statement "friction force is a contact force while magnetic force is a non-contact force" is
A.	always true.
B.	true only at 0°C.
C.	a false statement.
D.	either true or false depending upon the temperature of the surroundings.
Answer» B. true only at 0°C.

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