A body weighing 18 kg moves south and decelerates with a constant force of 50 Newtons.
| February 23, 2021 | education
A body weighing 18 kg moves south and decelerates with a constant force of 50 Newtons. Where is the acceleration directed and what is it exactly?
Given:
m = 18 kg – body weight;
F = 50 N – the force with which the body brakes.
It is required to find the direction and magnitude of the acceleration a.
Since, according to the condition of the problem, the movement of the body is directed to the south, the acceleration and deceleration will be directed in the opposite direction, that is, to the north.
a = F / m = 50/18 = 2.8 m / s ^ 2.
Answer: The acceleration is 2.8 m / s ^ 2 and is directed north.
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