Section 14 1 Work And Power Answer Key

â work is done when a force moves an object over a distance.
Section 14 1 work and power answer key. Manufacturers are tightening their belts but budget cuts will not indicate that customer care and product sales service demands to suffer when workers are asked to get on a little more responsibility. Section 14 1 work and power answer key golden education world book document id 6381f75e golden education world book force must act in the same direction as the object moves if there is no movement no work is done o work is the product of force and distance o work is done when a force moves an object over a section. Work product of the forceapplied and the.
W fd work is done when a force moves an object over a distance. You can calculate work by multiplying the force exerted on the object times the distance the object moves. To increase power you can increase the amount of work done over a given time or you can do a given amount of work in less time a 40 watt light bulb requires 40 joules each second that it is lit.
Section 14 1 work and power answer key. Doing work at a faster rate requires more power. Because the barbell is motionless no work is done on the barbell.
Because the force is upwards and there s no distance in the direction of the force. â work is the product of force and distance. When you do less work in a given time period the power decreases.
Work force distance. Section 14 1 work and power answers. Physical science with earth science 1st edition 9780078725548 and save up.
An object begins to move only when an unbalanced force acts on it. Mar 27 2014. Why isn t work being done on a barbell when a weight lifter is holding the barbell over his head.