Question

Question 4 of 25

Barbara pushes her friend Sharon on a skateboard. Barbara applies a force of
225 N and Sharon's acceleration is 2.3 m/s². What is the combined mass of
Sharon and her skateboard?
OA. 98 kg
OB. 92 kg
OC. 113 kg
D. 87 kg
SUBMIT

Answer 1

Answer: A) 98 kg

Explanation: Use the formula F=ma (force = mass x acceleration) and solve for mass. Plugging 225 N for F (which is the force) and 2.3 m/s^2 for a (which is the acceleration) you would get 225=m2.3. Divide both sides by 2.3 and you get 97.82, which is about 98 kg.