Hewitt-Drew-it! 23. Nellie in an Elevator

Paul investigates the forces that act on Nellie Newton in an elevator.

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Hewitt-Drew-it! 22. Newton's Laws Problem

Paul covers some good physics with an explanation of the classic 2-mass-pulley problem.

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Hewitt-Drew-it! 7.Force Vectors on an Incline

Paul analyzes forces acting on a block on an inclined plane, leading to forces on a block sliding on a curved surface.

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Hewitt-Drew-it! 6. Force Vector Diagrams

Paul extends Jim Court diagrams, identifying forces on a suspended, then falling ball.

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