Physics - What is the net force on a 1-kg laboratory cart which accelerates at 3 m/s²?

What is the net force on a 1-kg laboratory cart which accelerates at 3 m/s²?

a) 3 N

b) 10 N

c) 30 N

d) 45 N

Answer:

a) 3 N

F = m*a

F = (1 kg)*(3 m/s²)

F = 3 N