A factory worker pushes a 30.0 kg crate a distance of 5.5 m along a level floor at constant velocity by pushing downward at an angle of 30° below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.25. What magnitude of force must the worker apply to move the crate at constant velocity? Express your answer in newtons. 15. ΑΣΦ F = Submit Part B Request Answer W = ? How much work is done on the crate by this force when the crate is pushed a distance of 5.5 m? Express your answer in joules. — ΑΣΦ N ? J

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: