Newton's Gravity Simulator
Visualize the gravitational force that two objects exert on each other. Adjust properties of the objects to see how changing the properties affects the gravitational attraction. Relate gravitational force to masses of objects and distance between objects. Explain Newton's third law for gravitational forces. Design experiments that allow you to derive an equation that relates mass, distance, and gravitational force. Determine the gravitational constant.
Newton's Motion Simulator - The Moving Man
Learn about position, velocity, and acceleration graphs. Move the little man back and forth with the mouse and plot his motion. Set the position, velocity, or acceleration and let the simulation move the man for you.
Newton's Motion and Force Simulator
Explore the forces at work when you try to push a filing cabinet. Create an applied force and see the resulting friction force and total force acting on the cabinet. Charts show the forces, position, velocity, and acceleration vs. time. View a Free Body Diagram of all the forces (including gravitational and normal forces).