A wheel and axle is used to raise a load of 500 N by the
PHYSICS
JAMB 2002
A wheel and axle is used to raise a load of 500 N by the application of an effort of 250 N. If the radii of the wheel and the axle are 0.4 cm and 0.1 cm respectively, the efficiency of the machine is
- A. 20 %
- B. 40 %
- C. 50 %
- D. 60 %
Correct Answer: C. 50 %
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 Your email address will not be published.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 *