Homework Help: physics

Posted by lilman on Saturday, May 5, 2012 at 8:52pm.

Using Newtons second law of motion if the force on an object is 20N, and its mass is 5g, what is it's acceleration?

A=F/M
A=20N/5g
now I'm not sure what to do. Can someone please help?

physics - bobpursley, Saturday, May 5, 2012 at 8:58pm
You need mass in kg

acceleration in m/s^2 is force in newtons, divided by mass in kilograms.
physics - lilman, Saturday, May 5, 2012 at 9:25pm
Would it be
20N=20kgm?s^2/5g=4m/s^2
physics - Elena, Sunday, May 6, 2012 at 1:05pm
a = F/m =20/0.005 = 4000 m/s^2

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