Please solve as much as possible Name:Period:Unit 8:21. EnergyA. The units for work and energy.2. JoulesB. Stored or gained work.Is energy increased or decreased?An object speeds up.An object is lowered back to the ground.C. Energy changing from one form to3. Workanother.D. Energy transferred by forces. Productof force and distance.4. PowerFriction slows down an object.An object sits motionless on a table.5. Energy Transfer E. How fast work is done,An object is lifted up from the ground.Potential Energy (E,), Kinetic (E,) Energy, or Work (W)Figure out the Energy Transfers.Thermal; Nuclear; Radiant: Mechanical; Chemical: ElectricalAn object is pushed for 3 m.An object is going 6 m/s.Eating food allows you to move.Slowing down an object.An object on top of a 3 meter table.A gas stove boiling water.Friction stopping an object from moving.What kind of energy islost from A to D?Which forces are doing workon the object?What kind of energy islost from D to G?Which forces are not doingwork on the object?F14 kgA person holds onto a 25 N object for 2 minutes 3 m above theTo help a bicyclist get to the top of a hill, they speed up. Using ground. How much work is done on the object?energy, explain why this helps.A 30 N force pushes a 20 kg box 5 m across the floor.How much work is done on the box?If the bicyclist starts at rest, how do they get up the hill?What did the above work become?3 m6 kgA 25 N force pushes a box up a ramp to the back of a truck.If the force does 200 J of work, how long is the ramp?What kind of energy will it have at the top?Calculate it.Where does the work go?Where does this energy come from?V =20 m/s10 m/s0:05.00:00.0Motor A does 240 J of work in 24 seconds. Calculate power.F = 40 Nי5m10m15m20m25mMotor B does 240 J of work in 8 seconds. Calculate power.Calculate the work done on the car.Which motor did more work?Calculate the power of the force.Which motor was more powerful?True or false: “A more powerful motor does more work"?What did the work become?cstephenmurray.comLegal copying of this worksheet requires written permission. Copyright © 2007, C. Stephen Murray

Energy - stored or gained work Joules - The units for work and energy Work -Energy transferred by…

1. Energy A. The units for work and energy. 2. Joules B. Stored or gained work. C. Energy changing from one form to another. 3. Work D. Energy transferred by forces. Product of force and distance. 4. Power 5. Energy Transfer E. How fast work is done. Potential Energy (E,), Kinetic (E,) Energy, or Work (W) An object is pushed for 3 m. An object is going 6 m/s. Slowing down an object. An object on top of a 3 meter table. Friction stopping an object from moving.

1. Energy A. The units for work and energy. 2. Joules B. Stored or gained work. C. Energy changing from one form to another. 3. Work D. Energy transferred by forces. Product of force and distance. 4. Power 5. Energy Transfer E. How fast work is done. Potential Energy (E,), Kinetic (E,) Energy, or Work (W) An object is pushed for 3 m. An object is going 6 m/s. Slowing down an object. An object on top of a 3 meter table. Friction stopping an object from moving.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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