Forces and Motion Patterns

Which of the following is an example of balanced forces acting on an object?

• A book resting on a table

• A car accelerating on a highway

• A ball rolling down a hill

• A person pushing a shopping cart

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DOK Level 2: Skill/Concept

What happens to an object when unbalanced forces act on it?

• It remains at rest

• It changes its state of motion

• It moves in a circular path

• It stays in uniform motion

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DOK Level 2: Skill/Concept

According to Newton's first law, what will happen to a moving object if no external force acts on it?

• It will stop immediately

• It will continue moving at the same speed and direction

• It will change direction

• It will accelerate

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DOK Level 2: Skill/Concept

How does friction affect the motion of an object?

• It speeds up the object

• It slows down or stops the object

• It changes the direction of the object

• It has no effect on the object

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DOK Level 2: Skill/Concept

What role does gravity play in the motion of a falling object?

• It pushes the object upwards

• It pulls the object downwards

• It keeps the object stationary

• It has no effect on the object

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DOK Level 2: Skill/Concept

In a soccer game, what pattern of motion is observed when a player kicks the ball?

• The ball moves in a straight line and stops immediately

• The ball moves in a curved path and eventually stops due to friction

• The ball moves in a zigzag pattern

• The ball remains stationary

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DOK Level 2: Skill/Concept

Explain why a book on a table does not move even though gravity is acting on it.

• The table exerts an equal and opposite force to balance gravity

• The book is glued to the table

• Gravity is not strong enough to move the book

• The book is too heavy to move

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DOK Level 3: Strategic Thinking

Why does a rolling ball eventually come to a stop on a flat surface?

• Because of balanced forces

• Due to the force of friction acting against its motion

• Because it runs out of energy

• Due to gravity pulling it down

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DOK Level 3: Strategic Thinking

Describe how gravity affects the motion of a basketball when it is thrown into the air.

• Gravity pulls the basketball upwards

• Gravity pulls the basketball downwards

• Gravity has no effect on the basketball

• Gravity makes the basketball move in a straight line

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DOK Level 3: Strategic Thinking

In a tug-of-war game, what happens when both teams pull with equal force?

• The rope moves towards one team

• The rope doesn't move

• The rope breaks

• The rope moves in a circular path

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DOK Level 2: Skill/Concept