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  • 23-10-2019
  • Physics
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A 250 kg ball sits on a frictionless track inclined at an angle of 45 ◦ as shown in Fig. 3. What is the magnitude of the force (F ) needed to keep the ball in place?

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jazzy200684
jazzy200684 jazzy200684
  • 23-10-2019
I don’t knowwwwwwwwwwwwww
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