A child applies a force parallel to the x-axis to a 10.0 kg sled moving on the frozen surface of a small pond. As the child controls the speed of the sled, the x-component of the force she applies varies with the x-coordinate of the sled as shown in Fig. Calculate the work done by when the sled moves (a) from x = 0 to x = 8.0 m; (b) from x = 8.0 m to x = 12.0 m; (c) from x = 0 to 12.0 m. Fx (N) 10 5 + 00 x (m) 12
A child applies a force parallel to the x-axis to a 10.0 kg sled moving on the frozen surface of a small pond. As the child controls the speed of the sled, the x-component of the force she applies varies with the x-coordinate of the sled as shown in Fig. Calculate the work done by when the sled moves (a) from x = 0 to x = 8.0 m; (b) from x = 8.0 m to x = 12.0 m; (c) from x = 0 to 12.0 m. Fx (N) 10 5 + 00 x (m) 12
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Transcribed Image Text:1. INSTRUCTIONS:
- Show the 'free body diagrams' completely.
- Show all equations obtained from the free body diagrams, and how equations
are derived from the FBD.
- Show all solutions completely.
F
A child applies a force parallel to the x-axis to a 10.0 kg sled
moving on the frozen surface of a small pond. As the child
controls the speed of the sled, the x-component of the force she
applies varies with the x-coordinate of the sled as shown in Fig.
when the sled moves (a) from x =
Calculate the work done by
F
0 to x = 8.0 m; (b) from x = 8.0 m to x = 12.0 m; (c) from x = 0 to
12.0 m.
Fx (N)
10
A
5
8
0
12
x (m)
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