Forces and Rotation

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Questions and Answers

What is responsible for causing an object to rotate?

  • Velocity
  • Energy
  • Force (correct)
  • Acceleration

What is the turning effect of a force called?

  • Moment (correct)
  • Friction
  • Torque
  • Inertia

How can the size of a moment be increased?

  • Increasing the perpendicular distance from the pivot
  • Decreasing the force applied
  • Decreasing the perpendicular distance from the pivot
  • Increasing the force applied (correct)

What is the formula to calculate the moment of a force?

<p>$M = F/d$ (D)</p> Signup and view all the answers

What happens to the amount of rotation produced if the size of a moment is increased?

<p>More rotation is produced (B)</p> Signup and view all the answers

What happens to an object if the total clockwise moment is not equal to the total anticlockwise moment?

<p>The object will rotate. (A)</p> Signup and view all the answers

In the context of the seesaw scenario, what type of moment is created by Sam's position?

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

What happens when a force acts on a spring to compress or stretch it according to the text?

<p>Work is done on the spring. (C)</p> Signup and view all the answers

What type of energy is transferred into elastic potential energy in a spring?

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

When an object is elastically deformed, what happens to its energy according to the text?

<p>Energy is transferred into EPE. (B)</p> Signup and view all the answers

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