All of the objects in our solar system are acted upon by forces. Forces are pushes or pulls. Every force has both a strength and a direction. Applying a force on something–like pushing a toy car–can ...

'Unchanging motion' is when the body is at rest or is moving with a steady speed in a straight line. Balanced forces are responsible for unchanging motion. Balanced forces are forces where the effect ...

If your students like sports, rockets and roller coasters, then they’ll like Sir Isaac Newton! Newton’s Laws will help your students understand force, motion, and the transfer of energy. In this ...