xerts a force upward on the Earth due to gravitational attraction upward on the ground due to contact upward and to the left on the handle downward on the ground due to contact downward on the Earth due to gravitational attraction   (b) the Moon exerts a force

College Physics
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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In each of the diagrams below, one or more external forces act on the indicated system. Which of the forces listed below are the reaction to the external force mentioned? (Select all that apply.)

 
(a) the mower exerts a force
upward on the Earth due to gravitational attraction
upward on the ground due to contact
upward and to the left on the handle
downward on the ground due to contact
downward on the Earth due to gravitational attraction
 
(b) the Moon exerts a force
upward on the Earth
to the right on the Earth
to the left on the Earth
downward on the Earth
to the right on the Sun
to the left on the Sun
 
(c) the negatively charged electron (labeled e in the diagram) exerts a force
upward on the Earth
to the left on the negative plate
downward on the Earth
to the right on the negative plate
### Educational Illustration Explanation

#### Diagram Components:

1. **Man Pushing a Lawn Mower:**
   - The illustration shows a person pushing a lawn mower across a grassy area. 
   - There is a label "F" indicating the direction of the force applied by the man on the mower.

2. **Astronomical Bodies:**
   - The diagram includes the Earth, Moon, and Sun aligned horizontally.
   - Arrows indicate the gravitational interactions:
     - An arrow points from the Earth to the Moon, representing the Earth's gravitational pull on the Moon.
     - Another arrow points from the Moon back to the Earth, showing the Moon’s gravitational pull on the Earth.

3. **Electric Field with an Electron:**
   - On the right side, a vertical representation of an electric field is shown with a small "e" representing an electron.
   - An arrow next to the electron indicates the direction of movement, influenced by the electric field.

### Concepts Illustrated:

- **Force and Motion:**
  - The lawn mower illustration demonstrates the application of force in a specific direction to initiate movement.
  
- **Gravitational Forces:**
  - The Earth, Moon, and Sun depict the concept of gravitational attraction among celestial bodies, highlighting the mutual pull between the Earth and Moon.

- **Electric Fields:**
  - The electron diagram shows how charged particles move within an electric field, with the direction denoting the force exerted on the electron.

These diagrams collectively illustrate fundamental physics concepts such as force, motion, gravity, and electromagnetism, useful for educational purposes.
Transcribed Image Text:### Educational Illustration Explanation #### Diagram Components: 1. **Man Pushing a Lawn Mower:** - The illustration shows a person pushing a lawn mower across a grassy area. - There is a label "F" indicating the direction of the force applied by the man on the mower. 2. **Astronomical Bodies:** - The diagram includes the Earth, Moon, and Sun aligned horizontally. - Arrows indicate the gravitational interactions: - An arrow points from the Earth to the Moon, representing the Earth's gravitational pull on the Moon. - Another arrow points from the Moon back to the Earth, showing the Moon’s gravitational pull on the Earth. 3. **Electric Field with an Electron:** - On the right side, a vertical representation of an electric field is shown with a small "e" representing an electron. - An arrow next to the electron indicates the direction of movement, influenced by the electric field. ### Concepts Illustrated: - **Force and Motion:** - The lawn mower illustration demonstrates the application of force in a specific direction to initiate movement. - **Gravitational Forces:** - The Earth, Moon, and Sun depict the concept of gravitational attraction among celestial bodies, highlighting the mutual pull between the Earth and Moon. - **Electric Fields:** - The electron diagram shows how charged particles move within an electric field, with the direction denoting the force exerted on the electron. These diagrams collectively illustrate fundamental physics concepts such as force, motion, gravity, and electromagnetism, useful for educational purposes.
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