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mr_godi [17]
3 years ago
6

PLZ HELP ASAP!!!

Engineering
1 answer:
rodikova [14]3 years ago
3 0

The correct answer is <u>D. DC linear actuator</u>.

A DC linear actuator converts a rotating motion into a linear motion, and is used to lift weights.

I took the test and got it right, so I hope this helps! :)

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Answer:

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Explanation:

The free body diagram is as attached sketch. At equilibrium, sum of forces along y axis will be 0 hence

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Taking moments about point A, with clockwise moments as positive while anticlockwise moments as negative then

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