JAMB - Physics (2009 - No. 6)
An object of mass 80 kg is pulled on a horizontal rough ground by a force of 500 N. Find the coefficient of static friction.
[g = 10 ms-2]
[g = 10 ms-2]
0.8
0.4
1.0
0.6
설명
coefficient of friction
= \(\frac{F}{R}\)
=\(\frac{F}{mg}\)
= \(\frac{500}{80 \times 10}\)
= 0.625