word physics problems, physics homework help
1. use an experiment or observation to explain whether each quantity is constant for all objects here on earth:
A. Acceleration due to gravity
B. Force of gravity
2. If I drop a sheet of paper and a textbook from the top of the building. Which will hit first? Explain.
3. A shuttle is packed with supplies for the international space station. The shuttle speeds up as it leaves the Earth. Explain how the weight of the astronaut changes?
