In the 1st case,
mass = 500g = 0.5 kg
and acceleration = 10m/s²
We know force = mass × acceleration
So,
force
= 0.5 × 10 kgm/s²
= 5N
Now in second case
Force = 5N
mass = 5kg
So acceleration = Force / mass
Here,
acceleration
= 5N / 5kg
= 1m/s²
Therefore, the acceleration is 1m/s²