Motion Forces Work, Energy, and Power Momentum Simple Harmonic Motion
What is the acceleration of gravity?
-9.81 m/s^2
What is Newton’s first law of motion?
Objects in motion stay in motion unless acted upon by an outside force.
What is Energy?
The ability to do work.
What is an elastic collision?
All momentum is transferred between the objects in question and they bounce off of eachother.
What is a node?
A point in a standing wave that does not move.
What is Displacement?
A change of position in a certain direction.
What is a free body diagram?
An illustration used to represent applied forces using arrows.
What is gravitational potential energy?
mass x gravity x height
What is an inelastic collision?
Momentum is transferred elsewhere (such as to sound) and objects stick together.
What is the frequency (in Hz or 1/seconds) x wavelength (in m)?
or
What is sqrt( Tension / mass/length )?
Speed of sound (in m/s).
What is displacement/time?
The equation for velocity.
What is equilibrium?
The state in which the net force on an object is zero.
What is elastic potential energy?
½ kx^2
What is Impulse?
The time it takes for a force to be applied/removed (=Force in a direction x change in time).
What is periodic motion?
Sinusoidal behavior, oscillates over a period of time.
What is projectile motion?
The curved path that an object follows when thrown.
What is normal force?
The force that is perpendicular to the surface an object is contacting.
What is Power?
work / change in time
What is the equation for Centripetal Force?
(mass x tangential velocity ^2 ) / radius of the circle
What is Hooke's Law?
Fs = -kx
What is the vertical vector equation?
v = vi sin(θ)
What is f(friction) = μ(coefficient of friction) times N(normal force)?
The equation to measure friction.
What is the Work kinetic energy theorem?
Wnet = ΔKE
What is Newton’s Law of Universal Gravitation?
F = G( M1 M2 / d^2)
What is the frequency of overtone N?
fn = N ( Vsound / 2L )

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