1st Law
A push or pull.
What is force?
The force that brings n early everything to a stop.
What is friction?
The acceleration of an object equals the net force divided by the mass and is in the direction of the net force.
What is Newton's 2nd law?
If an object is moving, a net force applied in the same direction as the object is moving causes the object to
What is speed up?
According to Newton's 3rd law, forces always act in
What is equal but opposite pairs?
The combination of all the forces acting on an object.
What is net force?
True or false. Friction is the force that eventually brings a skateboard to a stop unless you keep pushing on it.
What is true?
In the equation f=ma, what does each letter represent?
What is f= force, m= mass and a=acceleration?
If the net force on an object is in the direction opposite to the object's velocity, the object
What is slows down?
The forces exerted by two objects on each other are often called _________ force pair.
What is action-reaction?
When forces that are exerted on an object cancel each other out and the object does not move.
What is balanced forces?
The friction that you must overcome in order to push a heavy object such as a refrigerator.
What is static friction?
Unit of measurement that measures force.
What is Newtons or N?
Solve the following equation:
a= 15 N/45 KG
a= _____ m/s2
What is A= 3 m/s2?
Describe how someone walks.
What is their foot pushes on the ground and the ground pushes up on your foot which pushes you to walk forward?
If the forces on an object are balanced, the net force is _____ (I'm looking for a number).
What is 0?
The friction that slows down two objects moving against each other.
What is sliding friction?
The type of force that exists between the Sun and the Earth or the Earth and the moon.
What is gravitational force?
When an object moves in a circular motion, the net force on the object is called
What is centripetal force?
The force that supplies a rocket is called
An object at rest will stay at rest and an object in motion will stay in motion with the same speed and direction unless acted upon by an unbalanced force.
What is Newton's 1st law?
The friction that occurs when an object rolls across a surface.
What is rolling friction?
The ___ of an object is the size of the gravitational force exerted on it. For example, this is measured when a person steps on a scale.
What is weight?
When air resistance balances the force of gravity, the object falls at a constant speed called
In order for there to be equal but opposite forces, if I push on a wall
What is the wall pushes back on me?