Answer :
Answer:
-0.2 m/s²
Explanation:
According to Newton's second law of motion, the net force (∑F) on an object is equal to its mass (m) times its acceleration (a). The net force is the sum of all the forces on the object. Given the forces and the mass, we can solve for the acceleration.
[tex]\Large \text {$ \Sigma F=ma $}\\\\\Large \text {$ -215\ N+115\ N=(500\ kg)a $}\\\\\Large \text {$ -100\ N=(500\ kg)a $}\\\\\Large \text {$ a=-0.2\ m/s^2 $}[/tex]