!st Law
Law of ?
Inertia
Newton’s second law says that when an UNBALANCED force is applied to a MASS (OBJECT), it causes it to
accelerate
. Newton’s third law of motion is also known as the
LAW OF ACTION – REACTION.
Inertia
The property of an object that resists changes in motion
an object that IS NOT MOVING, or is at ____________will stay at ___________
rest,rest
The greater the force that is applied, the _______________ the acceleration
greater
Newton’s third law says that every time there is an ___________ force, there is also an equal and opposite _____________.
action, reaction
Free Fall
The acceleration of a falling object due to Earth’s gravity
an object that IS MOVING will keep moving with a constant velocity which means at the same speed and in the same distance UNLESS a(n) _______________ force acts on that object.
unbalanced
The lesser the force that is applied, the _______________the acceleration.
lesser
Newton’s third law states that forces must ALWAYS occur in ____________.
pairs
Terminal Velocity
The maximum velocity reached by an object in free fall in which the forces of gravity and air resistance are equal.
What property of an object determines how much inertia it has?
The more mass an object has it has more inertia.
F =_____________ m = ______________ a =________________
force,mass,acceleration
What is friction?
the resistance that one surface or object encounters when moving over another.
Force
A push, pull, or other action that has the ability to change motion.
Definition
An object at rest will stay at rest and an object in motion will continue in motion with the same velocity unless acted on by an outside force
___ = kg.m/s2 (N - Newton) ___ = kg __ = m/s2
f,m,a
True or False: Your mass would be the same on the Moon as it is on the Earth.
True. The amount of mass will never change.
Air Resistance
A force that acts against the force of gravity of an object in free fall