The diagram shown represents a block-and-tackle pulley system on which an effort of W Newtons...
PHYSICS
JAMB 2018
The diagram shown represents a block-and-tackle pulley system on which an effort of W Newtons supports a load of 120.0N. If the efficiency of the machine is 40, then the value of W is?
- A. 28.0
- B. 48.0N
- C. 233.0N
- D. 50.0N
Correct Answer: D. 50.0N
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *