Me,
by the way, this is 7-8th grade earth science
1.what is force? in what two ways can a force relate to an object?
2.what are the two types of forces? how are they different?
3.name the force responsible for the following:
a. lightning
b. sand wearing away rock as water flows over the rock
c. increasing pressure as you go deeper into the ocean
d. a chunk of glacier falling off into the ocean to form an iceberg
e. a rope holding up a cave explorer
f. a landslide (two possible answers)
4.what force acts against gravity to keep you from sinking into solid ground when you stand?
5.true of false
your feet exert a compressive force on the ground where you stand
6.what is true about the forces acting on a rock sitting on the ground?
7. even if the scientist do find a dark matter during an lhc experiment, would that prove that the universe started with the big bang? explain.