Vocabulary
What is a Force?
A push or a pull on an object
Mass is measured in?
Kilograms (Kg)
What is the Net Force of an object that is not moving?
Zero
What is the measurement of the total forces exerted on an object, measured in Newtons called?
Net Force
What is Newton's First Law of Motion?
An object in motion stats in motion, an object at rest stays at rest, unless acted upon by an outside force
What is speed?
How fast an object is moving.
Speed is measured in?
m/s meters per second
John and Chris both push a box to the left at 10 Newtons each,what is the Net Force and the Direction of the box?
20 Newtons to the Left
What is a change in an object’s motion called?
Acceleration
What is Newton's Second Law of Motion?
Force = Mass x Acceleration
What is Velocity?
How fast an object if going and in what direction
Acceleration is measured in?
meters per seconds squared m/s2
Barbie pushes a couch to the right with a force of 10 Newtons, Ken also pushes to the right with 20 Newtons what is the net force?
30 Newtons
What is a force that acts in the opposite direction to movement called?
Friction
What is Newton's Third Law of Motion?
Every action has an equal and opposite reaction
What is Friction?
A force that acts in the opposite direction to movement.
Force is measured in?
Newtons
Mass x Acceleration
If the frictional force of gravel is 13 Newtons and Terry pushes his bike at a force of 21 Newtons on the gravel, what is the net force?
8 Newtons
What is a push or pull on an object?
Force
What is another name for Newton's First Law of Motion?
The Law of Inertia
What is Inertia?
The tendency of an object to resist change in motion unless acted upon by a force
What is a Newton?
Kg x m/s2
What is the net force if the frictional force is 7 Newtons and Kevin is pushing his cart with a force if 15 Newtons?
8 Newtons
What is the tendency of an object to resist change in motion unless acted upon by a force called?
Inertia
What law best describes why you jolt forward in the car when the driver breaks?
Newton's First Law of Motion