AP Physics 1- Gravity and simple harmonic motion
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17 Terms
What is true about all objects with mass?
All massive objects attract each other with a gravitational force.
What is the equation for the gravitational force of one object on another, Fg?Fg == GM1M2/d^2, where d is the distance between the centers of the two objects and G is the gravitational universal constant.
What is the equation for the gravitational field g near an object of mass M?
g = GM/d^,e where d is the distance between the object's center and the point of consideration.
What is the weight of an object near a planet?
The weight of an object near a planet is given by mg, where g is the gravitational field due to the planet at the object's location.
What is the free-fall acceleration near X planet?
The gravitational field near a planet is always equal to free-fall acceleration.
How is gravitational mass measured?
Gravitational mass is measured by measuring an object's weight using the equation weight = mg.
How is inertia mass measured?
Inertia mass is measured by measuring the net force on an object, measuring the object's acceleration, using Fnet=ma.
What is true about all experiments with gravitational and inertial mass?s.
In all experiments ever performed, gravitational mass is equal to inertial mass.
An object in simple harmonic motion makes a position-time graph in what shape?
Sin function.
The equation for simple harmonic motion for position as a function of time is?
x=Acos(2πft)
An object in simple harmonic motion experiences a net force that does what two things?
The magnitude increases a linear function of distance from the equilibrium position and has a direction that always points back toward the equilibrium position.
Amplitude is?
The max distance from the equilibrium position reached by the object in simple harmonic motion.
Period is?
The time for an object ot complete on vibration. Seconds per oscillation.
Frequency is?
How many entire vibrations does an object make in each sound? Oscillations per second.
Period of mass on a spring is?
T=2π√m/√k
Period of a pendulum is?
T=2π√L/√g
The average speed of an object in simple harmonic motion is
4 amplitudes per second.