Answer:
5 N
Step-by-step explanation:
The formula that you've to use to find the force is :
Force = Mass × Acceleration
They have already given that,
m = 2.5 kg
a = 2 ms⁻²
Let us find now.
F = m a
F = 2.5 kg × 2 ms⁻²
F = 5 N
Hope this helps you :-)
Let me know if you have any other questions :-)