The two elements of a pair are said to form a higher pair, when they Options: A . &nbspHave a surface contact when in motion B . &nbspHave a line or point contact when in motion C . &nbspAre kept in contact by the action of external forces, when in motion D . &nbspPermit relative motion

The two elements of a pair are said to form a higher pair, when they

Question

The two elements of a pair are said to form a higher pair, when they

Options:

A . Have a surface contact when in motion

B . Have a line or point contact when in motion

C . Are kept in contact by the action of external forces, when in motion

D . Permit relative motion

Answer: Option B

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