Please enter something

College Physics 1 Final

question

Vector
answer

A quantity with both magnitude and direction
question

Scalar
answer

A physical quantity that has magnitude only.
question

Mechanics
answer

Branch of physics regarding interactions between objects and their impact on object’s motion
question

Force
answer

A push of pull that has the capacity to change the (translational) motion of the object acted upon.
question

System
answer

collection of objects under consideration
question

Internal Forces
answer

forces between objects in system
question

External Forces
answer

forces between system & objects outside the system
question

Kinematics
answer

the study of describing motion
question

position
answer

r (vector); vector that indicates the location of an object with respect to a specified origin
question

displacement
answer

Distance and direction of an object’s change in position from the starting point. (Origin Independent)
question

distance
answer

length of path traveled (scalar)
question

speed
answer

Distance traveled per unit time.
question

velocity
answer

Time rate change of position
question

acceleration
answer

Time rate change of velocity
question

inertia
answer

resistance to change in motion
question

mass
answer

a. A measure of inertia. b. Source of gravity c. Strength of interaction with \”Higgs Field\”
question

Newton’s First Law
answer

An object will maintain it’s motion unless acted upon by an unbalanced outside force.
question

Newton’s Second Law
answer

Sum of the forces = mass x acceleration
question

Newton’s Third Law
answer

An object cannot exert a force on something without the second object exerting an equal in magnitude and opposite in direction force on the first object.
question

Free Fall
answer

a = g = -9.8m/s^2
question

Projectile Motion
answer

Type of free fall. Only force is gravity. Has an initial horizontal velocity.
question

Apparent Weight
answer

the force experienced by an object, resulting from all the forces acting on it, giving the object an acceleration. This is the Force Normal.
question

Orbit
answer

Type of free fall where apparent weight is 0 \”weightlessness\”
question

Angle
answer

Theta (vector)
question

Angular Displacement
answer

Change in Theta (vector)
question

Angular Velocity
answer

Omega (Vector)
question

Angular Acceleration
answer

The rate of change of angular velocity. Alpha
question

Arclength
answer

S
question

Tangential Velocity
answer

The speed of an object at a point as it moves around the circumference of a circle. Vtan (vector)
question

Tangential Acceleration
answer

ATan (vector) Can only change magnitude of velocity Always parallel to velocity
question

Centripetal Acceleration
answer

Acceleration of an object toward the center of a curved or circular path. Can only change direction of velocity Always perpendicular to velocity
question

Rotation
answer

Axis of rotation within the object
question

Revolution
answer

Axis of rotation outside of object
question

Period
answer

Line per Cycle T
question

Frequency
answer

Cycles per Time 1/t=f
question

Work
answer

Force x Distance W (sum of F)(Xcos(theta))
question

Kinetic Energy
answer

Energy in Motion
question

Translational Energy
answer

All parts move at same velocity Particles have only this
question

Rotational Energy
answer

Ex: Spinning/Orbiting
question

Vibrational Energy
answer

Ex: Oscillation
question

E=MC^2
answer

Equation for the potential energy in mass
question

Mass Defect
answer

Change in mass
question

Momentum
answer

Mass x Velocity P (vector)
question

Impulse
answer

Change in momentum (vector)
question

Perfectly Inelastic Collision
answer

A collision in which two objects stick together after colliding
question

Perfectly Elastic Collision
answer

A collision in which two objects perfectly deflect after colliding
question

Center of Mass
answer

Average location of the mass of an object where the point mass is considered to be.
question

Centroid
answer

Geometric center of an object (Same as Center of mass if object has uniform density)
question

Center of Gravity
answer

Average location of where gravity acts on an object. (If gravitational field is uniform, it will be the center of mass.)
question

Rotational Inertia
answer

I
question

Torque
answer

Tau A twist of turn that one object exerts on another that has the ability to change the rotational motion of the object. Unit is the N x M
question

Lever Arm
answer

Distance from axis of rotation to the spot where force is applied
question

Solid
answer

Rigid, roughly maintains volume & shape
question

Liquid
answer

Roughly maintains volume
question

Gas
answer

Maintains neither volume nor shape
question

Vapor
answer

Droplets of liquid acting like a gas
question

Fluid
answer

Does not maintain shape (Flows)
question

Critical Point
answer

Cannot discern the differences between states
question

Ideal Fluid
answer

Flows without turbulence of viscosity and cannot change volume
question

Ideal Liquid
answer

Fluid with a constant volume (incompressible fluid)
question

Pascal’s Principle
answer

Within a static incompressible fluid, any change in pressure is the same throughout the fluid. Ex: Hydraulic Lift
question

Density
answer

Volumetric Mass ρ=m/v Units: Kg/M^3
question

Pressure
answer

Force per unit area. P
question

Barometer
answer

Measures Pressure
question

Absolute Pressure
answer

Pressure measured against a vacuum
question

Gauge Pressure
answer

Pressure measured against the atmosphere ex: Blood pressure cuff
question

Laminar Flow
answer

All particles follow the same path Also known as Streamline
question

Turbulent Flow
answer

Particles move randomly
question

Viscosity
answer

Resistance to flow
question

Waves
answer

Are a form of energy transport
question

Oscillation
answer

Back and forth in motion
question

Wave Pulse
answer

Single Disturbance
question

Periodic Wave
answer

Repeated Disturbance
question

Transverse Waves
answer

Disturbance is perpendicular to wave propagation Travel on surface of fluid, but not through fluid Ex: Light/Electromagnetic Wave
question

Longitudinal Waves
answer

Disturbance is parallel to wave propagation Can travel through fluids Ex: Sound Waves
question

Intensity
answer

Power/Area. I
question

Linear Mass Density
answer

mass/length Mu
question

Wavelength
answer

Lambda Horizontal distance between the crests or between the troughs of two adjacent waves
question

Amplitude
answer

The maximum displacement of a periodic wave A
question

Refraction
answer

Bending of light when waves go from one medium to another.
question

Diffraction
answer

Bending of waves around obstacles
question

Node
answer

Part of wave that does not move
question

Antinode
answer

Part of wave with most movement
question

Resonant Frequency
answer

Frequency that makes a standing wave