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Motion Equations Mr. King’s Science Class WORK WORK = FORCE X DISTANCE WORK WORK = FORCE X DISTANCE Feet or cm WORK WORK = FORCE X DISTANCE Feet or cm Pounds or grams WORK WORK = FORCE X DISTANCE Feet or centimeters Pounds or grams Foot pounds or gram centimeters WORK 10 cm WORK = FORCE X DISTANCE Feet or centimeters Pounds or grams Foot pounds or gram centimeters WORK X 10 cm WORK = FORCE X DISTANCE Feet or centimeters Pounds or grams Foot pounds or gram centimeters WORK 20 g X 10 cm WORK = FORCE X DISTANCE Feet or centimeters Pounds or grams Foot pounds or gram centimeters WORK = 20 g X 10 cm WORK = FORCE X DISTANCE Feet or centimeters Pounds or grams Foot pounds or gram centimeters WORK 200 joules = 20 g X 10 cm WORK = FORCE X DISTANCE Feet or centimeters Pounds or grams Foot pounds or gram centimeters WORK Let’s try a word problem! Johneal pulled a 100 gram weight using a spring scale up the smooth side of a chalk board. The spring scale read 80 grams as she pulled it evenly 25 centimeters. How much work did Johneal do? WORK Let’s try a word problem! Johneal pulled a 100 gram weight using a spring scale up the smooth side of a chalk board. The spring scale read 80 grams as she pulled it evenly 25 centimeters. How much work did Johneal do? WORK = FORCE X DISTANCE WORK Let’s try a word problem! Johneal pulled a 100 gram weight using a spring scale up the smooth side of a chalk board. The spring scale read 80 grams as she pulled it evenly 25 centimeters. How much work did Johneal do? WORK = FORCE X DISTANCE ? = 80g X 25cm WORK Let’s try a word problem! Johneal pulled a 100 gram weight using a spring scale up the smooth side of a chalk board. The spring scale read 80 grams as she pulled it evenly 25 centimeters. How much work did Johneal do? WORK = FORCE X DISTANCE ? = 80g X ? = 2,000 joule 25cm POWER POWER Power POWER Power = POWER Work Power = POWER Power = Work POWER Power = Work Time POWER Power = Watt Work Time POWER Power = Watt Work Time Joules POWER Power = Watt Joules Work Time Seconds POWER Power = Watt Joules Work Time Seconds Now, let’s try a problem! Trevor pulled a 100 gram weight using a spring scale up the smooth side of a chalk board in 5 s. The spring scale read 80 grams as she pulled it evenly 25 centimeters. How Much work did Trevor do? Now, let’s try a problem! Trevor pulled a 100 gram weight using a spring scale up the smooth side of a chalk board in 5 s. The spring scale read 80 grams as he pulled it evenly 25 centimeters. How Much work did Trevor do? WORK = FORCE X DISTANCE = 80 grams x 25 cm Now, let’s try a problem! Trevor pulled a 100 gram weight using a spring scale up the smooth side of a chalk board in 5 s. The spring scale read 80 grams as he pulled it evenly 25 centimeters. How Much work did Trevor do? WORK = FORCE X DISTANCE = 80 grams x 25 cm = 2000 joules Now, let’s try a problem! Trevor pulled a 100 gram weight using a spring scale up the smooth side of a chalk board in 5 s. The spring scale read 80 grams as he pulled it evenly 25 centimeters. How Much work did Trevor do? WORK = FORCE X DISTANCE = 80 grams x 25 cm = 2000 joules WORK POWER = TIME Now, let’s try a problem! Trevor pulled a 100 gram weight using a spring scale up the smooth side of a chalk board in 5 s. The spring scale read 80 grams as he pulled it evenly 25 centimeters. How Much work did Trevor do? WORK = FORCE X DISTANCE = 80 grams x 25 cm = 2000 joules WORK POWER = TIME Now, let’s try a problem! Trevor pulled a 100 gram weight using a spring scale up the smooth side of a chalk board in 5 s. The spring scale read 80 grams as he pulled it evenly 25 centimeters. How Much work did Trevor do? WORK = FORCE X DISTANCE = 80 grams x 25 cm 2000 joules = 2000 joules WORK POWER = TIME Now, let’s try a problem! Trevor pulled a 100 gram weight using a spring scale up the smooth side of a chalk board in 5 s. The spring scale read 80 grams as he pulled it evenly 25 centimeters. How Much work did Trevor do? WORK = FORCE X DISTANCE = 80 grams x 25 cm 2000 joules = 2000 joules WORK POWER = TIME 5 seconds Now, let’s try a problem! Trevor pulled a 100 gram weight using a spring scale up the smooth side of a chalk board in 5 s. The spring scale read 80 grams as he pulled it evenly 25 centimeters. How Much work did Trevor do? WORK = FORCE X DISTANCE = 80 grams x 25 cm 2000 joules = 2000 joules WORK POWER = 400 watts TIME 5 seconds Velocity Velocity VELOCITY Velocity VELOCITY = Velocity DISTANCE VELOCITY = Velocity DISTANCE VELOCITY = Velocity Miles or meters DISTANCE VELOCITY = TIME Velocity Miles or meters DISTANCE VELOCITY = TIME Seconds or hours Velocity Miles or meters DISTANCE VELOCITY = TIME Miles per hour Meter per second Seconds or hours Let’s now try a problem! Ryan ran 600 meter in 50 seconds, what is his Velocity? Let’s now try a problem! Ryan ran 600 meter in 50 seconds, what is his Velocity? VELOCTIY Let’s now try a problem! Ryan ran 600 meter in 50 seconds, what is his Velocity? VELOCTIY = Let’s now try a problem! Ryan ran 600 meter in 50 seconds, what is his Velocity? DISTANCE VELOCTIY = Let’s now try a problem! Ryan ran 600 meter in 50 seconds, what is his Velocity? DISTANCE VELOCTIY = Let’s now try a problem! Ryan ran 600 meter in 50 seconds, what is his Velocity? DISTANCE VELOCTIY = TIME Let’s now try a problem! Ryan ran 600 meter in 50 seconds, what is his Velocity? 600 meters DISTANCE VELOCTIY = TIME Let’s now try a problem! Ryan ran 600 meter in 50 seconds, what is his Velocity? 600 meters DISTANCE VELOCTIY = TIME 50 seconds Let’s now try a problem! Ryan ran 600 meter in 50 seconds, what is his Velocity? 600 meters DISTANCE VELOCTIY = 12 meters/second TIME 50 seconds ACCELERATION ACCELERATION ACCELERATION ACCELERATION ACCELERATION = ACCELERATION VELOCITY ENDING ACCELERATION = ACCELERATION VELOCITY ENDING ACCELERATION = ACCELERATION VELOCITY ENDING ACCELERATION = VELOCITY STARTING ACCELERATION VELOCITY STARTING VELOCITY ENDING ACCELERATION = TIME ACCELERATION VELOCITY STARTING VELOCITY ENDING ACCELERATION = TIME ACCELERATION Meters/second Miles/hour VELOCITY STARTING VELOCITY ENDING ACCELERATION = TIME ACCELERATION Meters/second Miles/hour VELOCITY STARTING VELOCITY ENDING ACCELERATION = TIME ACCELERATION Meters/second Miles/hour Meters/second Miles/hour VELOCITY STARTING VELOCITY ENDING ACCELERATION = TIME ACCELERATION Meters/second Miles/hour Meters/second Miles/hour VELOCITY STARTING VELOCITY ENDING ACCELERATION = TIME Seconds/hours ACCELERATION Meters/second Miles/hour Meters/second Miles/hour VELOCITY STARTING VELOCITY ENDING ACCELERATION = TIME Seconds/hours ACCELERATION Meters/second Miles/hour Meters/second Miles/hour VELOCITY STARTING VELOCITY ENDING ACCELERATION = TIME Seconds/hours ACCELERATION Meters/second Miles/hour Meters/second Miles/hour VELOCITY STARTING VELOCITY ENDING ACCELERATION = TIME Meters/second/second Miles/hour/hour Seconds/hours OK - Let’s try an acceleration problem OK - Let’s try an acceleration problem Brandon is traveling in his bike at 3 m/s. He then speeds up Going down hill and at the bottom of the hill he is traveling 7 m/s. 8 seconds was the time he took to bike down the hill. What is his acceleration rate? OK - Let’s try an acceleration problem Brandon is traveling in his bike at 3 m/s. He then speeds up Going down hill and at the bottom of the hill he is traveling 7 m/s. 8 seconds was the time he took to bike down the hill. What is his acceleration rate? ACCELERATION = VELOCITY END TIME VELOCITY START OK - Let’s try an acceleration problem Brandon is traveling in his bike at 3 m/s. He then speeds up Going down hill and at the bottom of the hill he is traveling 7 m/s. 8 seconds was the time he took to bike down the hill. What is his acceleration rate? 3 m/s VELOCITY VELOCITY START ACCELERATION = END TIME OK - Let’s try an acceleration problem Brandon is traveling in his bike at 3 m/s. He then speeds up Going down hill and at the bottom of the hill he is traveling 7 m/s. 8 seconds was the time he took to bike down the hill. What is his acceleration rate? 7 m/s 3 m/s VELOCITY VELOCITY START ACCELERATION = END TIME OK - Let’s try an acceleration problem Brandon is traveling in his bike at 3 m/s. He then speeds up Going down hill and at the bottom of the hill he is traveling 7 m/s. 8 seconds was the time he took to bike down the hill. What is his acceleration rate? 7 m/s 3 m/s VELOCITY VELOCITY START ACCELERATION = END TIME OK - Let’s try an acceleration problem Brandon is traveling in his bike at 3 m/s. He then speeds up Going down hill and at the bottom of the hill he is traveling 7 m/s. 8 seconds was the time he took to bike down the hill. What is his acceleration rate? 7 m/s 3 m/s VELOCITY VELOCITY START ACCELERATION = END TIME 8 seconds OK - Let’s try an acceleration problem Brandon is traveling in his bike at 3 m/s. He then speeds up Going down hill and at the bottom of the hill he is traveling 7 m/s. 8 seconds was the time he took to bike down the hill. What is his acceleration rate? 7 m/s 3 m/s = 4m/s VELOCITY VELOCITY START ACCELERATION = END TIME 8 seconds OK - Let’s try an acceleration problem Brandon is traveling in his bike at 3 m/s. He then speeds up Going down hill and at the bottom of the hill he is traveling 7 m/s. 8 seconds was the time he took to bike down the hill. What is his acceleration rate? 7 m/s 3 m/s = 4m/s VELOCITY VELOCITY START ACCELERATION = END TIME 8 seconds 4 / 8 = 1/2 meters/sec/sec OK - Let’s try an acceleration problem Brandon is traveling in his bike at 3 m/s. He then speeds up Going down hill and at the bottom of the hill he is traveling 7 m/s. 8 seconds was the time he took to bike down the hill. What is his acceleration rate? 7 m/s 3 m/s = 4m/s VELOCITY VELOCITY START ACCELERATION = END 1/2 or .5 m/s/s TIME 8 seconds 4 / 8 = 1/2 meters/sec/sec
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