Questions

1.

What are the four fundamental forces in nature?

2.

What is the name of the force that is primarily responsible for the heat and light emitted by the Sun?

3.

True or false: only two of Newton's three laws are really independent?

4.

Which has more momentum and 50 gm baseball moving at 20 m/s or a 2 kg bowling ball moving at 50 cm/s?

5.

True or false: the weight of an object is always the same, whereas the mass depends on where the object is relative to the Earth?