Mathematical formulas

Basic Physics

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1Vectors
21D Kinematics
32D and 3D Motion
4Newton's laws and forces
5Circular motion
6Work, energy and power
7Linear momentum, impulse and collisions
8Rotation
9Equilibrium and elasticity
10Gravitation
11Fluid mechanics
12Oscillations and periodic motion
13Waves
14Sound
15Thermodynamics
16Basic electricity
17Physical constants
18Guide to approaching a problem

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Subjects
Basic Physics
Vectors
Dot product

1. Vectors

Dot product

Formula

A \cdot B = A B cos θ

Also

A \cdot B = A_{x} B_{x} + A_{y} B_{y} + A_{z} B_{z}

Detail

its result is a scalar.

Related formulas

Related
Work of a constant force
$W = F \cdot d = F d cos θ$
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Related
Mechanical energy
$E_{mec} = K + U$
Open formula Open in section