Understanding Simple Machines

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Questions and Answers

When is work done according to the text?

  • When energy is used
  • When an object changes direction
  • When force is applied
  • When an object moves by applying force (correct)

What is the ability to do work?

  • Motion
  • Direction
  • Force
  • Energy (correct)

If an object does not move on applying force, what does the text say about work?

  • The object has too much inertia
  • The force is insufficient
  • Work is still done
  • No work is done (correct)

What does force do to an object?

<p>Stops a moving object (B)</p> Signup and view all the answers

"Experiential Learning Critical Thinking" suggests the importance of which type of learning?

<p>&quot;Concrete Experience&quot; (B)</p> Signup and view all the answers

What is the ability to do work called?

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

When is work done according to the text?

<p>When an object moves by applying force (A)</p> Signup and view all the answers

What does force do to an object according to the text?

<p>All of the above (D)</p> Signup and view all the answers

In which situation is work not done according to the text?

<p>When force is applied but the object does not move (C)</p> Signup and view all the answers

What can force do to a moving object?

<p>Decrease its speed (D)</p> Signup and view all the answers

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Study Notes

Work and Force

  • Work is done when force is applied to an object, causing a displacement of the object in the direction of the force.

Ability to Do Work

  • The ability to do work is called energy.

Applying Force

  • When force is applied to an object, it can cause the object to accelerate, decelerate, or change direction.

Work Not Done

  • Work is not done if an object does not move when a force is applied to it, even if a force is applied.

Experiential Learning

  • "Experiential Learning Critical Thinking" suggests the importance of experiential learning.

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