Forcé vs mass graph slope
1 answer:
The slope of a force vs mass graph is equal to the acceleration.
Explanation:
We can answer this question by using Newton's second law, which states that:
(1)
where:
F is the net force on an object
m is the mass of the object
a is its acceleration
We notice that if we plot a graph of force vs mass,
- The mass corresponds to the x-variable
- The force corresponds to the y-variable
For a straight line passing through the origin, the equation is
(2)
Where m is the slope of the line. We notice that eq.(1) and (2) are identical if we replace x with m (mass) and y with F (force): therefore, the slope m corresponds to the acceleration, a.
Learn more about Newton's second law:
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Answer:
a)
b)
Explanation:
Get the reactive powers for each of the loads:
Reactive power = Real Power * tanθ
For load 1
Active power, P₁ = 100 W
Power factor,
For load 2
Active power, P₂ = 250 W
Power factor,
For load 3
Active power, P₃ = 250 W
Power factor,
Calculate the total reactive power,
Calculate the total active power,
V = 115
b) Power factor of the composite load is