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Could someone explain please? Thank you!

 

A 40.0kg crate is on a horizontal surface. The coefficient of static friction is 0.400 and the coefficient of kinetic friction is 0.310. There are two forces applied to the crate, due to Mark pulling directly upward on the crate with a force of 285N and Cynthia pulling the crate to the right with a force of 218N. a) Will the crate move? Explain. b) Find the force of friction on the crate c) Find the acceleration on the crate when Cynthia and Mark are both applying forces. d) How would the acceleration of the crate change if Mark was not applying a force? (Increase/Decrease/Stays the same) Explain.
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Transcribed Image Text:A 40.0kg crate is on a horizontal surface. The coefficient of static friction is 0.400 and the coefficient of kinetic friction is 0.310. There are two forces applied to the crate, due to Mark pulling directly upward on the crate with a force of 285N and Cynthia pulling the crate to the right with a force of 218N. a) Will the crate move? Explain. b) Find the force of friction on the crate c) Find the acceleration on the crate when Cynthia and Mark are both applying forces. d) How would the acceleration of the crate change if Mark was not applying a force? (Increase/Decrease/Stays the same) Explain.
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