Physical science unit 15 machines preview
Work- Mechanical Energy - To Do Work, Forces Must Cause Displacements frictionlessfrictionlessfrictionlessfrictionless.
Do Now: Do Now: 1. What is the formula to calculate weight? 1. What is the formula to calculate weight? 2. A. Draw the resultant force and calculate it.
Chapters 4,5, & 6
Frictionless Friction and Simply Simple Machines
Do Now Two people exert a 10 Newton force for 2 meters. Person 1 exerts the force at a 50 degree angle. Calculate the work done on the box by each person.
Frictionless Friction and Simply Simple Machines Nathan Smart October 23, 2009 [email protected].
Do Now: 1. What is the formula to calculate weight?
