Question on: JAMB Physics - 2013

What effort will a machine of efficiency 90% apply to lift a load of 180N if its efforts arm is twice as long as its load arm?

A
80N
B
90N
C
100N
D
120N
Ask EduPadi AI for a detailed answer
Correct Option: C

M.A. = (\frac{Eff \times V.R.}{100})

M.A. = (\frac{90 \times 2}{100})

M.A. = 1.8

E = (\frac{L}{M.A.})

E = (\frac{180}{1.8})

E = 100N

Add your answer

Notice: Please post responsibly.

Please share this, thanks!

No responses