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Introduction To Moment
Date : 05/11/2023
Momentum
ITS QUANTITY OFMOTION DUE TO MASS AND VELOCITYDefined as a Product of mass and velocity.Formulaπ=ππ£Unit πΎππ/π Vector QuantityIt has the same direction as the velocity of the object.More momentum means its harder to stop the objectMassuHigher the mass higher the momentumuLesser the mass lessor is the momentumVelocityuHigher the velocity higher the momentumuLower the velocity lower will be the momentum Examples of high momentumTruckuSmaller velocityuHigher massuHarder to stop BulletuHigh velocityuLower massuHarder to stop Same speed different massuWe can stop a base ball coming at 20m/suWe can not stop car coming at 20m/s Which one has more massA hammer of 3kg swung at speed of 1.5m/suApply π=ππ£A hammer of 4kg swung at speed of 10.9m/suApply π=ππ£Practice QuestionuWhat is the momentum of a bird with a speed of 15m//s and mass of 18g?uA golf ball at 16m/s and a bass ball at 7m/s. The mass of a golf ball is 0.045kg and the mass of a baseball is 0.14kg.uWhich one has greater momentum?
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