Mechanical Engineering - Theory of machines - Discussion

Discussion Forum : Theory of machines - Section 1 (Q.No. 44)

Theory of machines

44.

In a screw jack, the effort required to lower the load W is given by

P = W tan(α - φ)

P = W tan(α + φ)

P = W tan(φ - α)

P = W cos(α + φ)

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

12 comments Page 2 of 2.

KRUNAL said: 8 years ago

In case of irreversible screw Φ> α.

Surya said: 7 years ago

Good explanation, thanks @Prince Kumar.

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