The net force on the sled is 300 N
Explanation:
First of all, we start by finding the acceleration of the bobsled, by using the suvat equation:
[tex]v^2-u^2=2as[/tex]
where:
v = 6.0 m/s is the final velocity of the sled
u = 0 is the initial velocity
a is the acceleration
s = 4.5 m is the displacement of the sled
Solving for a, we find
[tex]a=\frac{v^2-u^2}{2s}=\frac{6.0^2-0}{2(4.5)}=4 m/s^2[/tex]
Now we can find the net force on the sled by using Newton's second law:
F = ma
where
F is the net force
m = 75 kg is the mass of the sled
[tex]a=4 m/s^2[/tex] is the acceleration
Solving the equation, we find the net force:
[tex]F=(75)(4)=300 N[/tex]
Learn more about acceleration and Newton laws here:
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