No she/he is doing work for her muscles
First law: A ball is stationary on the ground. It doesn't want to move, but eventually a person will come and kick it.
Second law: A car will never be constant it will have to stop then go . Objects take time to accelerate and also take time to decelerate.
Third law: If your sitting on a chair at a table, and you want to go, what do you do? Push against the table. The table will push back at you and hence, your chair moves. If this law wouldn't work then you would have to move the chair manually.
Maybe, but she hasn't proved it yet. As another example, somebody may bring a jar of gas to your laboratory, and you test the gas in the jar and you find nitrogen atoms, oxygen atoms, argon atoms, and krypton atoms, and there isn't a single compound in it. The gas in the jar is a MIXTURE of gases . . . a mixture that we call "Air".
Answer:
the car with the hay should slow to 16m/s if the bale of hay is dropped into it.
