Linear Motion Kinematics Circular Kinematics Forces & Linear Motion Friction Forces Work & Energy
Forces and Linear Motion
Newton's 3 Laws
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Forces
and Linear Motion - Newton’s 3 Laws
First
Law: Law
of Inertia
SF
= 0: if there is no total force
acting on an object, its linear acceleration is zero, i.e. its linear
velocity is not changing.
Second
Law:
SF
= ma,
where SF
is the sum of all forces acting on an object, m
is the mass of the object, and a
is its linear acceleration.
Third
Law:
The forces exerted by two objects on each other are equal in
magnitude and opposite in direction.