The correct answer is 2454.3N
What is Force?
- A force is a push or pull upon an object resulting from the object's interaction with another object.
- The formula of Force is mass * acceleration.
- The SI unit of force is Newton.
How to find the magnitude of the average net force acting on the car?
- Mass of the car given is 810-kg
- Velocity of the car given is 27m/s
- Distance given is 20m
We know that
F= ma
we need to find the acceleration first , which can be find by
[tex]v^{2} = u^{2} +2as\\[/tex]
Where v = 27m/s which is final velocity
u = 0 as there is no initial velocity
s is the distance 20m
Substitute the value and find a
[tex](27)^{2} = 0+2a (120)[/tex]
[tex]729 = 240a[/tex]
Hence , [tex]a = \frac{729}{240} = 3.03 m/s^{2}[/tex]
Now substitute the value in formula
F = ma
F = 810*3.03
F = 2454.3N
Hence the magnitude of the average net force acting on the car is 2454.3N
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