MULTIPLE CHOICE QUESTIONS 1. A hollow metal sphere of radius 15 cm is charged such that the potential on its surface is 20 V. The potential at the centre of the sphere is…

ELECTRICITY & MAGNETISM ATOM REVIEW Parts y of an atom: Neutron y Protons, Neutrons, Electrons Proton y Charge y Charge +1 y q=0C m = 1.67 x 10-27 kg +1 what? e = 1.6…

Slide 1 Slide 2 ENERGY Slide 3 What is Energy? Ability to do WORK Measured in Joules (calories or kilocalories) Slide 4 What is Work? Work depends on: The amount of force…

Slide 1Motion and Forces Work and Energy Chapter 4 Slide 2 Bell Work 2/22/11 Write each statement, then decide if the statement is true or false, if false correct it. 1.An…

Slide 1Thermodynamics Slide 2 1 st Law of Thermodynamics Conservation of energy When heat flows to or from a system, the system gains or loses an amount of energy equal to…

Slide 1Work, Energy and Power! Work, Energy and Power! The Calculations and Equations Slide 2 James Joule British physicist James Joule is best known for his work in electricity…

Slide 1In physics, work has a very specific meaning. In physics, work represents a measurable change in a system, caused by a force. Work If you push a box with a force of…

Slide 1Physical Science Chapter 4 Work & Machines Slide 2 Section 4-1: What is Work? Work is force exerted on an object that causes the object to move some distance Work…

Slide 1 Slide 2 Simple Machines will change the size or direction of a force in one motion. Compound Machines a system of two or more simple machines (the game mouse trap…

Slide 1The Physics of Electric Vehicles Slide 2 Circle Calibrate your video screen or projector. The next slide must show as a circle for the pictures to have the correct…