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1. What is the study of matter and energy and the interactions occuring between them?
2. What are the 2 components of a vector quantity?
3. Define distance and displacement
4. What term describes a cector showing the combined effec of 2 or more vectors
5. Define mechanics
6. Contrast speed and velocity
7. What term refers to any change in velocity?
8. What term describes a decrease in velocity over times?
1. In what book did Sir Isaac Newton publish his laws of motion?
2. State Newton's first law of motion.
3. According to Newton's 2nd law of motion, how is the magnitude of the force applied to an object related to the object's acceleration? To the object's mass?
4. State Newton's 2rd law of motion.
1. According to the law of universal gravitation, how is the force of attraction between two objects affected if the mass of either object increases? How is the force affected if hte distance is doubled
2. Expalin what the equation Fw=mg means.
3. What force causes an object to travel in a curve rather than in a straight line?
4. Name the two fundamental causes of friction.'
5. Compare and contrast kinetic and static friction.
6. Upon what two things does friction depend?
1. Define work.
2. What is the SI unit of work and energy?
3. Define power.
4. What is the product of an ojbect's mass and velocity?
5. State the law of conservation of momentum.
1.What is ideal mechanical advantage? How is it different from actual mechanical advantage?
2. Which is greater under ordinary conditions, work input or work output?
3. Why can no machine be 100% efficient?
4. Name the pivot point upon which the beam of a lever rests.
5. Which simple machine can be considered a circular lever?
6. What type of machine combines fixed and movable pulleys?
7. Which simple machine consists of a sloping platform that enables an object to be raised without lifting it straight up.
8. What simple machine can be visualized as an inclined plane wrapped around a rod?