Which acclerates more?
Two identical masses m1 and m2 5 kg each are placed one each on two surfaces S1 and S2. The coefficient of friction of S1 is 0.2 , coefficient of friction of S2 is 0.8 A identical force of magnitude F is applied on both masses, which mass accelerates more ?. It can be assumed that the magnitude of F is enough to overcome the force due to friction in both the cases.
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
1 solution
F - umg = m * a In the case of surface 1 F- g = m * a1 In the case of surface 2 F- 4g = m* a2
As F-g > F- 4g ; a1 > a2. Hence the mass on surface 1 accelerates more.