Describe how the size and direction of forces are represented on a force diagram.
Forces are represented by arrows on a force diagram.
The direction of the arrow shows the direction of the force.
The length of the arrow indicates the magnitude of the force.
Larger forces are represented by longer arrows, and smaller forces by shorter arrows.
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How do you determine if forces are balanced or unbalanced on a force diagram?
If the arrows representing the forces are of equal length, the forces are balanced.
If one arrow is longer than the other, the forces are unbalanced.
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What does a positive overall force indicate on a force diagram?
A positive overall force on a force diagram indicates that the object is accelerating.
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What does a zero overall force indicate on a force diagram?
A zero overall force on a force diagram indicates that the object is moving at a steady speed.
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What does a negative overall force indicate on a force diagram?
A negative overall force on a force diagram indicates that the object is decelerating.
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