A system that can be affected by the outside environment, by an exchange of matter or energy is an open physical system .
16. An object has a mass of 13.5 kilograms. What force is required to accelerate it to a rate of 9.5 m/s2?
2 answers:
Answer:
D. 128.25 N
Explanation:
The force exerted on an object and the acceleration of the object are related by the following equation (Newton's second law):
where
F is the force exerted on the object
m is the mass of the object
a is the acceleration
In this problem, we know:
- The mass of the object: m = 13.5 kg
- The acceleration: a = 9.5 m/s^2
Therefore, we can find the force required to give the object this acceleration:
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