Solve the following question:
Question: The froghopper (Philaenus spumarius), the champion leaper of the insect world, has a mass of 12.3mg and leaves the ground (in the most energetic jumps) at 4.00m/s from a vertical start. The jump itself lasts a mere 1.00ms before the insect is clear of the ground.
Part A: Find the force that the ground exerts on the froghopper during its jump.
I need help to find the force that the ground exerts on the froghopper during its jump.