Finals Review 2 Flashcards
The smallest particle of an element is
Atom
Potential energy is due to
Height of an object
How many centimeters are in a 3 meter stick
300 Cm
What happens to energy when it’s transformed
It stays the same
Batteries change chemical energy to what
Electrical
What is a transverse waves
Oscillates perpendicular to the direction of the wave travel
Friction between two surfaces transforms energy of motion directly to
Thermal Energy
In a mechanical system, the distance an oscillator moves from its average position is called
Amplitude
If you go Twice as fast, your kinetic energy becomes
4 times faster
When the forces on an object is balanced
An Equilibrium
Equation for Work Output
Output force times Output Distance
The inertia of an object is related to
Mass only
What’s Unit does Energy Use
Joules
Efficiency is expressed in
Percent
A force that resists motion is
Friction
Name 3 properties of waves
Frequency, speed, Amplitude
What is required to get work out of a machine
Input Work
The wavelength of a wave is determined by the distance from crest to crest
the distance from crest to crest
On a graph, what is the independent variable on
X axis
What has the most affect on the period of a pendulum
Length of String
Work may be measured in units of
Joules
Transferring or sharing electrons between atoms forms
Bonds
The space that an object takes up is known as
Volume
As long as you have WHAT, you can have atoms of the same element
Electrons
The property of matter that resists changes in motion is
Inertia
An extended spring stores what type of energy
Potential Energy
Kinetic energy increases with
Mass and Speed
Work output to work Inout is the ratio of what
Efficiency
