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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 Ffoo = 17.5 N. The skateboard has m, =2.2 kg. %3D Randomized Variables Ffoor = 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 Ffoo = 17.5 N. The skateboard has m, =2.2 kg. %3D Randomized Variables Ffoor = 17.5 N m = 62 kg m2 = 2.2 kg

Physics for Scientists and Engineers: Foundations and Connections
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
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Please answer question 1, there is no diagram

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 =
Expert Solution
Step 1

Given data:

  • The horizontal force exerted by the teenager on the ground is Ffoot = 17.5 N.
  • The mass of teenager is m1 = 62 kg.
  • The mass of skateboard is m2 = 2.2 kg.
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