Motion and Forces Flashcards
Distance
How far an object moves
Displacement
the distance and direction of an object’s starting point
Speed
the distance an object travels per unit of time
Average Speed
total distance traveled by the total time of travel
Instantaneous Speed
the speed at a given point in time
Velocity
Includes the speed of an object and the direction of its motion
Acceleration
The change of its velocity
Force
A push or pull
Net Force
zero because the forces cancel each other out
Balanced Force
Force on an object that are equal in size
Inertia
An objects Resistance to motion
Newton’s Second Law of Motion
The acceleration of an object is in the same direction as the net force on the object
Friction
The force that opposes the sliding motion of two surfaces that are touching each other
Static Friction
The frictional force that prevents two surfaces from sliding past each other
Sliding Friction
The force that opposes the motion of two surfaces sliding past each other
Air Resistance
opposes the motion of objects that move through the air
Gravity
It Is an attractive force between any two objects that depends on the masses of the objects and the distance between them
Weight
The gravitational force exerted on an object is called the weight.
Centripetal Acceleration
Acceleration towards the center of a curved or circular path is called this
Centripetal Force
The net force exerted toward the cent of a curved path is called this
Newton’s Third Law of Motion
When on object experts a force on a second object, the second one exerts a force on the first that is equal and strength in opposite in direction
Momentum
It is the product of its mass and velocity
