Question

What force accelerates a 3kg mass at a rate of 4m/s^2?

Assuming this is on smooth surface with no frictional force
Force = mass x acceleration
F = 3 x 4
F = 12N

If there is a frictional force will have to look at the acceleration in the opposing direction first.

thanks again

Related Questions

A girl on roller skates accelerates at a rate of 2m/s2 with a force of 100N. is her mass F=ma... Two forces are applied to a 17 kg box, as shown. The box is on a smooth surface. A The box acce... Two forces are applied to a 17 kg box, as shown. The box is on a smooth surface. * 1 point Captio... A roller coaster begins at the top of a hill. If it accelerates at the rate of 2 m/s and has a mass...