A biologist is observing a swimming marine animal(MA). As part of this investigation, each animal is...
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A biologist is observing a swimming marine animal(MA). As part of this investigation, each animal is placed in a harness, connected to a force meter by a line made of nylon, and placed in seawater, where their motion is all filmed. MAs are completely under water when they swim. One specific MA's weight is 250 mN and the mass that MA is 25.5 g. The line made of nylon extending behind the MA to the force meter exerts a force on MA, keeping it in the same place while it swims, and the force meter measures the force of MA pulling on the line. There is an upwards buoyant force of 280 mN acting on MA, and there is propulsive force due to the MA's paddling, which is unknown. (The force meter measures a force of 150 mN pointing forwards and at an angle of 35 below the horizontal EXPLAIN AND SHOW WORKING SOLUTIONS 1) What is the force that the nylon line exerts on MA? 2) What is the net force acting on MA? 3) Draw a diagram showing the forces acting on MA. 4) Calculate the propulsive force that the MA is generating by paddling. Express your answer in components, and also as a magnitude and direction. A biologist is observing a swimming marine animal(MA). As part of this investigation, each animal is placed in a harness, connected to a force meter by a line made of nylon, and placed in seawater, where their motion is all filmed. MAs are completely under water when they swim. One specific MA's weight is 250 mN and the mass that MA is 25.5 g. The line made of nylon extending behind the MA to the force meter exerts a force on MA, keeping it in the same place while it swims, and the force meter measures the force of MA pulling on the line. There is an upwards buoyant force of 280 mN acting on MA, and there is propulsive force due to the MA's paddling, which is unknown. (The force meter measures a force of 150 mN pointing forwards and at an angle of 35 below the horizontal EXPLAIN AND SHOW WORKING SOLUTIONS 1) What is the force that the nylon line exerts on MA? 2) What is the net force acting on MA? 3) Draw a diagram showing the forces acting on MA. 4) Calculate the propulsive force that the MA is generating by paddling. Express your answer in components, and also as a magnitude and direction.
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Related Book For
Elementary Statistics Picturing the World
ISBN: 978-0321911216
6th edition
Authors: Ron Larson, Betsy Farber
Posted Date:
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