Question

A net force of 150 N left is applied to an object that accelerates at a rate of 300 m/s2 to the left. What is the mass of the object?

A) 0.5 kg
B) 2 kg
C) 450 kg
D) 45,000 kg

Answer 1

D)45,000 because mass equal density x something but ik that answer is right

Answer 2

Newton #2 says F = M a

Divide each side by ' a ' :

M = F / a

Plug numbers in:

M = (150 N) / (300 m/s²)

= 0.5 kg .