L-6 – Newton's Second Law. Objects have a property called inertia which causes them to resist changes in their motion (Newton’s1 st Law or Galileo’s law of inertia) if it is at rest, it stays at rest if it is moving, it keeps moving with constant velocity
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if it is at rest, it stays at rest
if it is moving, it keeps moving with constant velocity
Change in velocity
The effect of a force depends on both itsmagnitude (strength), and its direction.
a) electric forces
b) magnetic forces
Acceleration = 0
Force = mass times acceleration
F = m a
NET Force in Newtons
Acceleration in m/s2
Push = 10 N
2 kgExample Problem 2
to the right.
acceleration is in the direction of the NET Force