balanced and unbalanced forces
forces can be balanced or unbalanced. use the terms in the word box to label the diagrams. one word is used twice.
word box: gravity, table, rest, balanced, unbalanced, accelerate
1 forces are ______. diagram: book on table
2 ______ pushes down.
3 ______ pushes up.
4 the book remains at ______.
5 forces are ______. diagram: book falling off table
6 ______ is the greater force.
7 the book will ______ toward the floor.
match each term in the word box to its definition.
word box: balanced, equilibrium, inertia, state of motion, zero
8 ______ describes forces working upon an object that are of equal magnitude and come from opposite directions.
9 ______ the tendency of an object to resist changes in its state of motion.
10 ______ an object at rest has this velocity.
11 ______ this describes an object’s velocity, or speed with a direction.
12 ______ when all the forces acting upon an object balance each other, the object will be in this state.
46 forces and motion

Question

Accepted Answer

### Part 1: Labeling the Diagrams (Questions 1 - 7)
#### Question 1:
- **Explanation**: In the first diagram, the book on the table has equal and opposite forces (gravity down, table up), so forces are balanced.
- **Answer**: balanced

#### Question 2:
- **Explanation**: Gravity is the force that pulls objects down toward the Earth.
- **Answer**: gravity

#### Question 3:
- **Explanation**: The table exerts an upward force (normal force) on the book to balance gravity.
- **Answer**: table

#### Question 4:
- **Explanation**: When forces are balanced, an object at rest stays at rest.
- **Answer**: rest

#### Question 5:
- **Explanation**: In the second diagram, the table is tilting, so the forces on the book are not equal (gravity is unopposed or the table's force is less), so forces are unbalanced.
- **Answer**: unbalanced

#### Question 6:
- **Explanation**: Gravity is the force pulling the book down, and since the table is tilting, gravity is the greater force here.
- **Answer**: gravity

#### Question 7:
- **Explanation**: When an unbalanced force acts (gravity is greater), the object will accelerate in the direction of the net force (toward the floor).
- **Answer**: accelerate

### Part 2: Matching Terms to Definitions (Questions 8 - 12)
#### Question 8:
- **Explanation**: Forces of equal magnitude and opposite direction are balanced.
- **Answer**: balanced

#### Question 9:
- **Explanation**: Inertia is the tendency of an object to resist changes in its motion.
- **Answer**: inertia

#### Question 10:
- **Explanation**: An object at rest has a velocity of zero (since velocity is speed with direction, and it's not moving).
- **Answer**: zero

#### Question 11:
- **Explanation**: The state of motion describes an object’s velocity (speed and direction).
- **Answer**: state of motion

#### Question 12:
- **Explanation**: When forces are balanced, the object is in equilibrium (no net force, so no acceleration).
- **Answer**: equilibrium

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QUESTION IMAGE

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Explanation:

Part 1: Labeling the Diagrams (Questions 1 - 7)

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Part 2: Matching Terms to Definitions (Questions 8 - 12)

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Question 12:

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