Newton's 1st law
what is Newton's 1st law?
An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
What is Newton's 2nd Law?
F=MA (Force equals mass times acceleration)
What is Newton's 3rd Law?
For every action there is an equal and opposite reaction
A state of balance is called?
Equilibrium
A situation in which two objects in close contact exchange energy and momentum is called?
Collision
List any object at rest.
House/Building, furniture, ect.
When a car increases its speed it is called...
Acceleration
If you are pushing the wall, what is it doing back to you?
Pushing back on you
A unit of measure that equals the force required to accelerate is called?
Newton
A measure of the amount of matter in an object is called?
Mass
The tendency of an object to resist a change in motion
Inertia
An object's change in position relative to a reference point is?
Motion
What do we call speed and direction?
Velocity
When you throw a football really hard which applies?
Force, Inertia, Gravity?
Force
Kicking a ball, pushing a door, ect.
A force that opposes motion between two surfaces that are in contact...
Friction
Equal forces acting on an object in opposite direction is called?
Balanced
Forces that produce a nonzero net force, which changes an object's motion is?
Unbalanced
Forces two objects apply to each other is?
Force Pairs
What does inverse mean?
Opposite
A person rolling down a hill what will stop them
the grass or friction
A cannonball with a mass of 5kg is flying at an acceleration of m/sec/sec. How much is the force?
50kg
The combination of all forces acting on an object is called?
Net Force
The constant velocity of a falling object when the force of air resistance is equal in magnitude and opposite in direction to the force of gravity is?
Terminal Velocity
What are two forces that have equal strength in opposite directions called?
Action-Reaction Pairs