When you lift a box, what is the effort force?
What is the resistance force?

Which graph best represents the relationship between the electric current and the rate at which a magnet is turning inside an electric generator?

Apossible explanation for a set of facts that can be tested by further investigation is called

In all trials, the magnitude of the final velocity for g1 + g2 was less than the magnitude of any initial velocity. as mass increased, what happened to the velocity? the velocity decreased. the velocity increased. the velocity of g1 + g2 could not be measured. the velocity was not affected by the mass increase.