Calculating Force

What is the force that a 873 kg dragster attains when he accelerates at an average of 45 m/s2?

How much force do you exert if you push a 25 kg box at a rate of 3.5 m/s2?

What is the mass of a swimmer that accelerates towards the water at 10 m/s2 and hits the water with a force of 3200 N?

What is the mass of a cat that accelerates at 1.0 m/s2 after a force of 100 Newtons has hit it?

If a weather balloon has a mass of 5 kg and is released with a 98 N force upward, what is the acceleration of the balloon?

How big is the acceleration of a 2325 kg truck if the force exerted is 10000 N?

Calculate the Net Force acting on the following image:

Calculate the Net Force acting on the following image: