At-rex sized duck has bitten onto a car!. It is retusing to let the car go. The car pulls on the duck with a force of 16

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At-rex sized duck has bitten onto a car!. It is retusing to let
the car go. The car pulls on the duck with a force of 16600 N as it
tries to drive away. However, the car cannot move the duck, as the
force of starting friction between the duck and the ground is equal
to 18700 N. The coefficient of static friction between duck and
ground is 0.723.
a) Calculate the mass of the duck.
b) Draw a free body diagram of the duck. Be sure to include all
forces