Physics Chapter 1: Kinematics and Dynamics (2 Stars) Flashcards
_______ is the vector representation of a change in position. It is path _______ and is equivalent to the straight line distance between the start and end locations.
Displacement
independent
Distance is a scalar quantity that reflects the path _____
traveled
_____is the vector representation of the change in displacement with respect to time.
Velocity
Average velocity is the total displacement divided by the total _____.
total time
Instantaneous velocity is limit of the change in displacement over time as the change in time approaches ______
zero.
Instantaneous speed is the ______ of the instantaneous velocity vector.
magnitude
Friction is a force that opposes _____ as a function of electrostatic interactions at the surface between two objects.
motion
Static friction exists between two objects that are not in _____ relative to each other.
motion
_____friction exists between two objects that are in motion relative to each other.
Kinetic
Whereas static friction can take on many values depending on the magnitude of an applied force, _____friction is a constant value.
Kinetic
The coefficient of friction depends on the #___ materials in contact. The coefficient of static friction is always higher than the coefficient of _____ friction.
two
kinetic
_____ is a measure of the inertia of an object—its amount of material.
Mass
Mass and weight are not synonymous
_____ is the force experienced by a given mass due to the gravitational attraction to the Earth.
Weight
______ is the vector representation of the change in velocity over time.
Acceleration
Newton’s first law, or the law of inertia, states
states that an object will remain at rest or move with a constant velocity if there is no net force on the object
Fnet = ma
