Home Science · Sewing Machine Components
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The long groove of a sewing needle is the primary mechanical component responsible for catching the thread loop to successfully interlock the upper and lower threads. Reason R: The shuttle or hook is a rotating mechanism that catches the loop formed by the needle thread and interlocks it with the lower bobbin thread to complete the lockstitch cycle. In the light of the above statements, choose the most appropriate answer from the options given below:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both A and R are correct and R is the correct explanation of A
- 2Both A and R are correct but R is NOT the correct explanation of A
- 3A is correct but R is not correct
- 4A is not correct but R is correct✓
Correct answer
A is not correct but R is correct
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