When you move your hand or your foot your body has converted potential energy into what? 3 0 obj endobj Answer Key Pt. A skier at the top of the mountain(a) Kinetic Energy ___b___2. Likewise when they hit the floor coming back down, the force of the floor pushing upwards (the normal force) would do negative work and decrease the person’s kinetic energy. Displaying top 8 worksheets found for - Kinetic And Potential Energy Answer Key. Put the correct letter in the blank. the person (the normal force) would do positive work and increase the person’s kinetic energy. Do you understand the connection between work and energy? Energy from the sun changes Earth by warming the atmosphere. �)��Y��6�:�u�1�����q1Z �ė?y%��p�DΊZ�qSOh��\�\=����d"�%���U�5ȩD�aU�%Sے���ʀ����U�h����xR�`�Sr�H��^C�R�IG����r�M�_'G�q�л)1��ۤ��ߦ��6m���f�+��. anything that can fall has stored energy is called? Answer: F = 4.86*10 3 N. The work energy theorem can be written as. Energy is the ability to do work or cause a change. Work and energy (part 2) Conservation of energy. The two basic types of energy. This is the work-energy theorem. Gasoline in a storage tank(b) Potential Energy ___a___3. 1. The upper steps are higher energy levels, containing electrons that have more energy and are farther from the nucleus. work (joules) = applied force (newtons) X distance (in meters), efficiency % =output work (J) / input work (J) X 100. This energy is stored due to object position, (lever, wheel & axle, pulley, incline plane,wedge, screw), According to law of conservation a total of energy increase, decrease, or stay the same, What is the proper unit for gravitational potential energy. As an Introduction to Energy Worksheet, the homework is designed to be one big list of items that you are tasked to complete. It is an innovative guide to getting your energy bill on a downward path. Topic 5: Energy Lab – Work Input and Output Energy Answer Sheet Sample Data in Table Trial Force Up Incline (N) Length of Incline (m) Total Weight Lifted (N) Vertical Height (m) 1 6 1.0 10 0.5 2 16 1.0 20 0.5 3 23 1.0 30 0.5 Trial Input Work (J) Output Energy (J) Efficiency in % 1 6 x 1 = 6 10 x 0.5 = 5 5/6 x 100% = 83% 2 Conservative forces. amount by which the machines multiples effort force? Introduction to work and energy. Work is done when a force produces motion. What kind of energy is stored by green plants? KE i + W nc = 0 The net work done on a body equals its change in kinetic energy. NatGeoEd.org Evaluating Other Energy Sources Answer Key… AP Physics Practice Test: Work, Energy, Conservation of Energy ©2011, Richard White www.crashwhite.com Part II. %���� 4.1.1 DEFINE WORK, ENERGY AND POWER • Work done is the product of an applied force and the displacement of an object in the direction of the applied force. Essay Question: how can potential and kinetic energy change? ___b___1. b. Displaying top 8 worksheets found for - Directed Reading For Content Mastery Key Terms Energy And E. Some of the worksheets for this concept are Directed for content mastery physical science answers, Directed for content mastery 16 pdf, Directed for content mastery overview solutions answers, Directed reading for content mastery answers heredity, Directed for content mastery answer key … Email. Free Response 6. The words “work” and “power” must be clearly defined as science concepts and it must be further clarified to the learners that these words do not A Guide to Work, Energy and Power Teaching Approach Work, Energy and Power is a topic which comprise of three concepts which are very closely related – work and energy and power. b. Answer Key Pt. Device that does work one movement & change the size and direction of the force? Next lesson. 2. Review for work and power. The sun’s energy also causes a change when, in photosyn- thesis, it powers chemical reactions in which carbon dioxide and water combine to form food molecules. <>

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