College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Newton's First Law of Motion
If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!
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NO wwc Name: CE =Xlo*). Period: 1. Does gravity increase or decrease with greater distance? decredse Does gravity increase or decrease with greater mass? increa se If one of the masses is tripled, how does the gravity change? 2. by Fockov of 3 3. 4. If the distance between the masses is doubled, how does the gravity change? 5. What does the "r" in the equation mean? 8 m 12 m Center o F two masses To find the gravitational force between the two objects at the right, r = ? You 6. add Radius 4 dislonce t Radies mz 26 m 7. A 6.5×10" kg object is 3.2x10ʻm away from a 3,800 kg object. Calculate the force of gravity between them. m, = 6-5E12 m2= 38009 r= 3.ZE4 G= 6.673 E - || Nom/Kg² 8. A 35 kg object is on the surface of Venus. Venus has a mass of 4.87x1024 kg and a radius of 6.05x10° m. A. What is the weight of the object on the earth (use g = 9.8 m/s)? F2=(6.673E !) (65E12) (380c ) (3.2 Et)? 1:65x106 (3.2E4)2 = 1.61 x la こ 0,06161 N B. What is the mass of the object on the earth? C. What is mass of the object on Venus? D. What is weight of the object on Venus? 12 m 2500 kg Four identical 2500 kg objects are at the corners of a square with 12 m sides. A. What is the distance between A and B? B. Calculate the force of gravity between A and B. D Calculate the force of gravity between B and D. A 25 kg object is then placed at the center of the square (point P). Remembering that force is a vector, calculate the net force on the object at point P. 1o. Object C is then removed, as is the object at point P. Draw (with arrows) and label the gravitational forces on Object B, due to objects A and D. 12 m B, Calculate the net gravitational force on Object B. The 25 kg object is placed back at point P. C. Calculate the distance between each corner and point P. du ahinot ot point P
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Transcribed Image Text:NO wwc Name: CE =Xlo*). Period: 1. Does gravity increase or decrease with greater distance? decredse Does gravity increase or decrease with greater mass? increa se If one of the masses is tripled, how does the gravity change? 2. by Fockov of 3 3. 4. If the distance between the masses is doubled, how does the gravity change? 5. What does the "r" in the equation mean? 8 m 12 m Center o F two masses To find the gravitational force between the two objects at the right, r = ? You 6. add Radius 4 dislonce t Radies mz 26 m 7. A 6.5×10" kg object is 3.2x10ʻm away from a 3,800 kg object. Calculate the force of gravity between them. m, = 6-5E12 m2= 38009 r= 3.ZE4 G= 6.673 E - || Nom/Kg² 8. A 35 kg object is on the surface of Venus. Venus has a mass of 4.87x1024 kg and a radius of 6.05x10° m. A. What is the weight of the object on the earth (use g = 9.8 m/s)? F2=(6.673E !) (65E12) (380c ) (3.2 Et)? 1:65x106 (3.2E4)2 = 1.61 x la こ 0,06161 N B. What is the mass of the object on the earth? C. What is mass of the object on Venus? D. What is weight of the object on Venus? 12 m 2500 kg Four identical 2500 kg objects are at the corners of a square with 12 m sides. A. What is the distance between A and B? B. Calculate the force of gravity between A and B. D Calculate the force of gravity between B and D. A 25 kg object is then placed at the center of the square (point P). Remembering that force is a vector, calculate the net force on the object at point P. 1o. Object C is then removed, as is the object at point P. Draw (with arrows) and label the gravitational forces on Object B, due to objects A and D. 12 m B, Calculate the net gravitational force on Object B. The 25 kg object is placed back at point P. C. Calculate the distance between each corner and point P. du ahinot ot point P
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