Explore Forces

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Questions and Answers

Which unit is commonly used to express magnitude in the MKS system?

  • Pounds
  • Dyne
  • Newton (correct)
  • Kilogram

What does the direction of the arrowhead indicate in the context of force?

  • The line of action
  • The point of application
  • The direction of the force (correct)
  • The size of the force

What is the point of application in relation to force?

  • The line passing through the point of application
  • The location where the force is applied (correct)
  • The length of the arrow representing the force
  • The direction of the force

Which system of units commonly uses the unit 'pounds' to express magnitude?

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

What are contact forces?

<p>Forces where objects touch or contact with each other (D)</p> Signup and view all the answers

True or false: Friction always opposes the motion of an object.

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

True or false: Air resistance is an example of a contact force.

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

True or false: The symbol for tension is T.

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

True or false: Normal force acts perpendicular to the surface of the object in contact.

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

True or false: Non-contact forces are forces where objects touch or contact with each other.

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

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