Acceleration Quiz
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Questions and Answers

What is the name given to the force of attraction that exists between any two objects with mass?

  • Displacement
  • Weight
  • Friction
  • Gravity (correct)

If an object starts from rest, what is its initial velocity?

  • Depends on the mass
  • Undefined
  • 0 m/s (correct)
  • Depends on the direction

Which of the following is an example of a non-contact force?

  • Weight
  • Gravity (correct)
  • Friction
  • Tension

What is the name given to the sum of two or more vectors?

<p>Resultant (C)</p> Signup and view all the answers

Which of the following quantities has both magnitude (size) and direction?

<p>Force (B)</p> Signup and view all the answers

What is the name given to the quantity that describes the speed and direction of an object after an acceleration?

<p>Final velocity (D)</p> Signup and view all the answers

What is the name given to the force acting between two surfaces that are moving across or trying to move across each other?

<p>Friction (A)</p> Signup and view all the answers

What is the name given to quantities that have magnitude (size) only?

<p>Scalars (B)</p> Signup and view all the answers

What is the name given to the force that acts on a mass due to gravity?

<p>Weight (C)</p> Signup and view all the answers

What is the term used to describe forces that are not equal and opposite?

<p>Unbalanced (B)</p> Signup and view all the answers

What is the definition of acceleration?

<p>The rate of change of velocity (C)</p> Signup and view all the answers

Which of the following best describes Newton's Third Law?

<p>For every force, there is an equal and opposite force (D)</p> Signup and view all the answers

What is the unit used to measure area?

<p>Square meters (m²) or square centimeters (cm²) (C)</p> Signup and view all the answers

What happens when the forces acting on an object are balanced?

<p>The motion of the object does not change (A)</p> Signup and view all the answers

What are the components that make up a diagonal vector?

<p>Vertical and horizontal components (B)</p> Signup and view all the answers

What is the definition of constant velocity?

<p>When an object travels at the same speed in the same direction (D)</p> Signup and view all the answers

Which of the following is an example of a contact force?

<p>Friction (D)</p> Signup and view all the answers

What does a curve on a velocity-time graph indicate?

<p>The object has a changing acceleration (C)</p> Signup and view all the answers

What is the definition of deceleration?

<p>Slowing down or negative acceleration (B)</p> Signup and view all the answers

What is the difference between distance and displacement?

<p>Distance is the length of a path, while displacement is the change in position (D)</p> Signup and view all the answers

Flashcards

What is gravity?

The force of attraction that exists between any two objects with mass.

What is the initial velocity of an object starting from rest?

0 m/s.

What is a non-contact force?

A force that acts on objects without them being in direct contact.

What is a resultant vector?

The sum of two or more vectors.

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What is a vector quantity?

A quantity that has both magnitude (size) and direction.

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What is final velocity?

The speed and direction of an object after an acceleration.

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What is friction?

The force that acts between two surfaces when they move or try to move across each other.

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What are scalars?

Quantities that have only magnitude (size) and no direction.

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What is weight?

The force acting on a mass due to gravity.

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What are unbalanced forces?

Forces that are not equal in size and opposite in direction.

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What is acceleration?

The rate of change of velocity.

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What is Newton's Third Law?

For every action, there is an equal and opposite reaction.

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What unit is used to measure area?

Square meters (m²) or square centimeters (cm²).

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What happens when the forces acting on an object are balanced?

The motion of the object does not change (stays at rest or moves at a constant velocity).

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What are the components of a diagonal vector?

Vertical and horizontal components.

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What is constant velocity?

An object travels at the same speed in the same direction.

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What is a contact force?

A force that requires direct contact between objects.

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What does a curve on a velocity-time graph indicate?

Acceleration is changing.

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What is deceleration?

Slowing down, or negative acceleration.

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What is the difference between distance and displacement?

Distance is the length of a path, while displacement is the change in position between a starting point and ending point.

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