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Answer:
Force = 300N
Explanation:
Given the following data;
Mass = 20kg
Acceleration = 15m/s²
To find the force?
Force is given by the formula;
Force = mass * acceleration
Substituting into the equation, we have;
Force = 20 * 15
Force = 300N
Therefore, the amount of force the
security guard used is 300 Newton.