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Problem 1: A teenager of mass m, = 62 kg pushes backward against the ground with his foot as he rides his skateboard. This exerts a horizontal force of magnitude Foo = 17.5 N. The skateboard has m, =2.2 kg. Randomized Variables Ffoot = 17.5 N m = 62 kg m2 = 2.2 kg

Problem 1: A teenager of mass m, = 62 kg pushes backward against the ground with his foot as he rides his skateboard. This exerts a horizontal force of magnitude Foo = 17.5 N. The skateboard has m, =2.2 kg. Randomized Variables Ffoot = 17.5 N m = 62 kg m2 = 2.2 kg

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Please answer parts c and d

Problem 1: A teenager of mass m = 62 kg pushes backward against the ground with his foot as he rides his skateboard. This exerts a horizontal force of magnitude Froot = 17.5 N. The skateboard has m2 = 2.2 kg. Randomized Variables Ffoot = 17.5 N m1 = 62 kg m2 = 2.2 kg Part (a) Write an expression for the magnitude of the horizontal component of force that the ground exerts on the teenager's foot, F, Expression : Fground = ground Select from the variables below to write your expression. Note that all variables may not be required. a., B, Q, 0, a, b, d, Froot, Fg, FN, g, h, j, k, m, m1, m2, P, S, t Part (b) Choose the correct free-body diagram for the system made up of teenager and his skateboard. Fy is the normal force and F, is the weight of the teenager and the skateboard. SchematicChoice : Fground Feround Froot Froot ground Froot Part (c) Write an expression in terms of given quantities for the magnitude of the skateboard's acceleration, a, while the teenager is pushing backwards on the ground. Expression : a = Select from the variables below to write your expression. Note that all variables may not be required. a, B, Q, 0, a, d, Ffoot, g, h, j, k, m1, m2, P, t Part (d) What is the numerical value for the magnitude of the acceleration, a, in m/s2? Numeric : A numeric value is expected and not an expression. a =
Transcribed Image Text:Problem 1: A teenager of mass m = 62 kg pushes backward against the ground with his foot as he rides his skateboard. This exerts a horizontal force of magnitude Froot = 17.5 N. The skateboard has m2 = 2.2 kg. Randomized Variables Ffoot = 17.5 N m1 = 62 kg m2 = 2.2 kg Part (a) Write an expression for the magnitude of the horizontal component of force that the ground exerts on the teenager's foot, F, Expression : Fground = ground Select from the variables below to write your expression. Note that all variables may not be required. a., B, Q, 0, a, b, d, Froot, Fg, FN, g, h, j, k, m, m1, m2, P, S, t Part (b) Choose the correct free-body diagram for the system made up of teenager and his skateboard. Fy is the normal force and F, is the weight of the teenager and the skateboard. SchematicChoice : Fground Feround Froot Froot ground Froot Part (c) Write an expression in terms of given quantities for the magnitude of the skateboard's acceleration, a, while the teenager is pushing backwards on the ground. Expression : a = Select from the variables below to write your expression. Note that all variables may not be required. a, B, Q, 0, a, d, Ffoot, g, h, j, k, m1, m2, P, t Part (d) What is the numerical value for the magnitude of the acceleration, a, in m/s2? Numeric : A numeric value is expected and not an expression. a =
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