# Ch. 5 Key Equations - University Physics Volume 1 _ OpenStax.pdf

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Unformatted text preview: 10/6/2021 Ch. 5 Key Equations - University Physics Volume 1 | OpenStax Key Equations Net external force Newton’s first law ⃗ net = ⃗ = ∑ ⃗ ⃗ constant when net = 0 N Newton’s second law, vector form ⃗ net = Newton’s second law, scalar form net = Newton’s second law, component form ∑ ⃗ ⃗ ⃗ = 1 + 2 + ⋯ ∑ ⃗ = ⃗ ⃗ = ⃗ , Newton’s second law, momentum form ⃗ net = Definition of weight, vector form ⃗ = ⃗ ∑ ⃗ = ⃗ , and ∑ ⃗ = ⃗ . ⃗ 1/3 10/6/2021 Ch. 5 Key Equations - University Physics Volume 1 | OpenStax Definition of weight, scalar form = Newton’s third law ⃗ ⃗ AB = − BA Normal force on an object resting on a horizontal surface, vector form ⃗ = −⃗ Normal force on an object resting on a horizontal surface, scalar form = Normal force on an object resting on an inclined plane, scalar form = cos Tension in = = 2/3 10/6/2021 Ch. 5 Key Equations - University Physics Volume 1 | OpenStax a cable supporting an object of mass m at rest, scalar form 3/3 ...
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