Kinematics
The gravitational force changes by this much if you increase the distance between two planets by 3 times.
1/9
The variable that stays constant during horizontal projectile motion.
horizonal velocity
The best angle (relative to the lever arm) to maximize the torque produced by a force.
What is 90 or 180 degrees.
The quantity that is conserved when the shape of a spinning object changes as long as there are no external torques
What is angular momentum?