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Relative Motion
AP Physics 1 · Unit 1 Kinematics
Learning Objectives
v_AB = v_A − v_B (relative velocity)
Motion depends on observer's frame
Laws of physics same in all inertial frames
Same event, different descriptions
Tags
relative motion
reference frame
kinematics
AP Physics 1
v_A (m/s)
8
v_B (m/s)
3
Relative Velocities
v_AB (A seen by B)
0
v_BA (B seen by A)
0
v_A (ground)
0
v_B (ground)
0