Posted by Shaila on .
A 0.30kg lab cart is observed to accelerate twice as fast as a 0.60kg cart. Does that mean that the net force on the more massive cart is twice as large as the force on the smaller cart? Explain.

Physics  Force 
bobpursley,
net force=mass*a
if the mass is 1/2, and a is twice, the net force must be the same.