Please Help, It's Science 1. The wind pushes a paper cup along the sand at a beach. The cup has a mass of 25 kg and accelerates at a rate of 5 m/s2. How much force is the wind exerting on the cup?

2. You push a friend sitting on a swing. She has a mass of 50 kg and accelerates at a rate of 4 m/s2. Find the force you exerted.

3. How much force would it take to push another, larger friend who has a mass of 70 kg to accelerate at the same rate of 4 m/s2?