Science 7B Force and Work Final Assessmen

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1. Define force and work.
2. Explain the difference between gravitational force and frictional force.
3. Describe the relationship between force, mass, and acceleration.
4. Calculate the work done by a force when moving an object a certain distance.
5. Explain the difference between work and power.
6. Describe the concept of mechanical advantage and give an example.
7. Explain the difference between balanced and unbalanced forces.
8. Describe how machines make work easier to do.
9. Calculate the mechanical advantage of a simple machine.
10. Explain the relationship between force and distance in terms of work.