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

M

Mr. Dubey

🎓 Coach ⭐ 103.11K Points

📊 Theory Of Machine

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

(A) $${\text{P}} = {\text{W}}\tan \left( {\alpha - \varphi } \right)$$
(B) $${\text{P}} = {\text{W}}\tan \left( {\alpha + \varphi } \right)$$
(C) $${\text{P}} = {\text{W}}\tan \left( {\varphi - \alpha } \right)$$
(D) $${\text{P}} = {\text{W}}\cos \left( {\alpha + \varphi } \right)$$

💬 Discuss

✅ Correct Answer: (C) $${\text{P}} = {\text{W}}\tan \left( {\varphi - \alpha } \right)$$

You must be Logged in to update hint/solution

💬 Discussion

📊 Question Analytics

👁️

824

Total Visits

📽️

2 y ago

Published

🎖️

Mr. Dubey

Publisher

📈

91%

Success Rate