'Power work time' presentation slideshows

What is energy?

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It's Quiz Time!

It's Quiz Time!. Simple Machines. Work. Power. Machines. Potpourri. 1. 1. 1. 1. 1. 2. 2. 2. 2. 2. 3. 3. 3. 3. 3. 4. 4. 4. 4. 4. 5. 5. 5. 5. 5. Work for 1. This is done when a force moves and object in a the direction of the applied force. Check Your Answer.

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The Law of Conservation of Energy

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WORK POWER SIMPLE MACHINES

WORK POWER SIMPLE MACHINES. I. WORK. 1. What is work?. A force acting through a distance No work is done on the object unless the object moves and the force applied is in the direction of this movement. 2. How is work calculated?. Work = force x distance or W = fd.

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Energy

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Ultra-Endurance Cycling How I put it all together John Millon, MD

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Work and Power

Work and Power. What does it mean to do work?. In science, you do work when you exert a force on an object that causes the object to move a distance. Ex. You push a child on a swing Ex. You lift a bag of groceries. No work is done!.

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Electrical Power

Electrical Power. Power is the rate at which work is done or energy is expended. Unit is Watt = Joule / second ( James Watt worked on steam engines and launched the industrial revolution ) Power = Work / time Electrical Energy = Power * Time = VIt. Electrical Power.

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Work, Energy & Power

Pre-AP Physics. Work, Energy & Power. Energy is expressed in JOULES (J) 4.19 J = 1 calorie Energy can be expressed more specifically by using the term WORK(W). There are many different TYPES of Energy.

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Chapter 5

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Work and Simple Machines

Work and Simple Machines. What is work?. In science, the word work has a different meaning than you may be familiar with. Work: using a force to move an object a distance B oth the force and the motion of the object are in the same or parallel direction. Work or Not?.

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Work and Power Notes

Work and Power Notes. What is work ?. The product of the force applied to an object and the distance through which that force is applied. Mowing the lawn Weight-lifting Moving furniture up a flight of stairs Pushing against a locked door Swinging a golf club. YES YES YES NO YES.

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Power

Power. Power is the rate at which work is done. Power is how fast work is done. What are the factors of power?. Power formula:. WORK. POWER =. TIME. Power unit. As is implied by the equation for power, a unit of power is equivalent to a unit of work divided by a unit of time.

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Theorem: The less you know, the more money you make

Theorem: The less you know, the more money you make. Proof : We know that a) Time is Money (T=M) b) Knowledge is Power (K=P) and from Physics c) Power = Work / Time (P=W/T) By substitution, K = W/M Rearrange the equation and M = W/K, or Money = Work/Knowledge

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Reflection Question

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Energy

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Chapter 12, Section 1: What is work?

Chapter 12, Section 1: What is work?. Key concepts: When is work done on an object? How do you determine the work done on an object? What is power? Key terms: work, joule, power. Meaning of work.

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Warmup Dec 3

Warmup Dec 3. Show how to convert from pounds (lb) to Newtons (N). What is the single number you end up multiplying by to get from lb to N in one step?.

117 views • 4 slides