Question 4
which statement best defines a universal law?

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?