A factory worker pushes a 30.0 kg crate a distance of 3.7 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.

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Chapter1: Units, Trigonometry. And Vectors
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A factory worker pushes a 30.0 kg crate a distance of 3.7 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.
Transcribed Image Text:A factory worker pushes a 30.0 kg crate a distance of 3.7 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.
### Educational Content

#### Physics: Force and Work

1. **Question 1**: What magnitude of force must the worker apply to move the crate at constant velocity?

2. **Question 2**: How much work is done on the crate by this force when the crate is pushed a distance of **3.7 m**?

3. **Question 3**: How much work is done on the crate by friction during this displacement?

In this section, we explore the concepts of force, work, and friction. The questions aim to understand the conditions necessary to maintain constant velocity and analyze the work done by applied forces and friction.
Transcribed Image Text:### Educational Content #### Physics: Force and Work 1. **Question 1**: What magnitude of force must the worker apply to move the crate at constant velocity? 2. **Question 2**: How much work is done on the crate by this force when the crate is pushed a distance of **3.7 m**? 3. **Question 3**: How much work is done on the crate by friction during this displacement? In this section, we explore the concepts of force, work, and friction. The questions aim to understand the conditions necessary to maintain constant velocity and analyze the work done by applied forces and friction.
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