Question

An upward force of 18 N is applied via a string to lift a ball with a mass of 1.5 kg.

a) what is the net force acting upon the ball?
b) what is the acceleration of the ball?

Answer 1

net force = applied force + gravity = 18N+(1.5kg)(-9.8m/s^2) = 3.3N

Force=mass times acceleration
acceleration=Force/mass
acceleration=3.3/1.5 m/s^2
acceleration=2.2m/s^s