Kinematics Explained
Kinematics is the branch of physics that describes motion without considering its causes (forces).
Motion Equations
For uniformly accelerated motion:
\[ s = ut + \frac{1}{2}at^2 \]
Where \(s\) is displacement, \(u\) is initial velocity, \(a\) is acceleration, and \(t\) is time.
Example
A ball dropped from rest (\(u = 0\)) with \(a = 9.8 \, \text{m/s}^2\) for 2 seconds:
\[ s = 0 \times 2 + \frac{1}{2}(9.8)(2)^2 = 19.6 \, \text{m} \]
Applications
Kinematics is used in animation (e.g., character movement), robotics, and vehicle design.