phys: hyphen over 'on'
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@ -358,10 +358,10 @@ The origin and target of a force are placed in the subscript of that force.
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!!! example
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!!! example
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If a rock is pushed across the ground by a hand at a constant velocity, the forces acting on the rock would include:
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If a rock is pushed across the ground by a hand at a constant velocity, the forces acting on the rock would include:
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- the normal force from the hand, or $F_{T \text{ h on R}}$
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- the normal force from the hand, or $F_{T \text{ h-R}}$
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- the kinetic friction from the ground, or $F_{fK \text{ g on R}}$
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- the kinetic friction from the ground, or $F_{fK \text{ g-R}}$
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- the weight of the rock from the planet, or $W_\text{ E on R}$
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- the weight of the rock from the planet, or $W_\text{ E-R}$
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- the normal force from the ground pushing against the rock's weight, or $F_{N \text{ g on R}}$
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- the normal force from the ground pushing against the rock's weight, or $F_{N \text{ g-R}}$
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### Force diagrams
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### Force diagrams
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