Mechanical Engineering - Theory of machines - Discussion

Discussion Forum : Theory of machines - Section 6 (Q.No. 18)
18.
The two elements of a pair are said to form a higher pair, when they
have a surface contact when in motion
have a line or point contact when in motion
are kept in contact by the action of external forces, when in motion
permit relative motion
Answer: Option
Explanation:
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Discussion:
1 comments Page 1 of 1.

Isaac Vanlalfela said:   4 years ago
Explain the answer.

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