## Free Body Diagram of the kick

This is a free body diagram of the kick that was performed with all the information i have gathered about the kick. I used the Coefficient of static friction calculations to figure out the kicks force of friction and the equation Fnet =ma. I know that the net force is also equal to the sum of all forces. I used this information to figure out the Fa.

**This picture is taken from Google images but the calculations applied to it are those of the kick performed.

**This picture is taken from Google images but the calculations applied to it are those of the kick performed.

## Kinematics and Dynamics

Using this formula will help us to find the amount of frictionµs = Ffs/Fn

µs for a soccer ball on grass is 0.35

the normal force that was calculated is 4.165N

using the equation µs = Ffs/Fn

Ffs= µs x Fn

Ffs= (0.35)(4.165)

Ffs=1.46N

Now that we know that in order to make the soccer ball move it needs to have at least 1.461N of force applied to it, we can determine using our net force the amount of force that was applied to the ball when it was kicked. We know that to find the net force you need to use the equation Fnet=ma

Fnet=ma

Fnet=(0.425)(13.88)

Fnet=5.90N

Fnet=Fa-Ff

Fnet+Ff=Fa

Fa= 5.90N+1.46N

Fa=7.36N

µs for a soccer ball on grass is 0.35

the normal force that was calculated is 4.165N

using the equation µs = Ffs/Fn

**We can determine the amount of friction that was put on the ball,**Ffs= µs x Fn

Ffs= (0.35)(4.165)

Ffs=1.46N

Now that we know that in order to make the soccer ball move it needs to have at least 1.461N of force applied to it, we can determine using our net force the amount of force that was applied to the ball when it was kicked. We know that to find the net force you need to use the equation Fnet=ma

**We have measured the mass of the ball to be 0.425kg and calculated the acceleration to be 13.88m/s^2**Fnet=ma

Fnet=(0.425)(13.88)

Fnet=5.90N

Fnet=Fa-Ff

Fnet+Ff=Fa

Fa= 5.90N+1.46N

Fa=7.36N

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