Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
38 Cards in this Set
- Front
- Back
|
force equals mass X
|
acceleration
|
|
|
_____ is a push or pull
|
Force
|
|
|
Garvity on earth is __ meters/second^2
|
9.8
|
|
|
How is torque measured in the si system
|
N*m
|
|
|
___ is the focre like quantity in the rotational mechinacal system
|
torque
|
|
|
When forces act in the same direction the _____ is the sum if the two forces
|
Net force
|
|
|
_______ is in fluid, electrical, and thermal systems there are "force-like" quantities that act in the same was as a force does in mechinacal systems
|
Prime Movers
|
|
|
____ is found by dividing mass by volume
|
Density
|
|
|
Density of a given substance divided by the density of water is known as ____
|
Specific Griavity
|
|
|
A ______ is used to measure density or specific Griavity in Liquids
|
Hydrometer
|
|
|
_____ is measured by dividing a unit of force by a unit of area
|
Pressure
|
|
|
The english units for pressure are ____
|
p.s.i
|
|
|
The si units for pressure are__
|
Grams per centimeer^2
|
|
|
____ are used to measure pressure differences
|
Manometers
|
|
|
The two types of Fluids are ____________
|
Hydraulic and Pneumatic
|
|
|
Work=force X ____
|
Distance
|
|
|
____ is the work going into a system
|
Input work
|
|
|
____ is the work done by the system
|
Output work
|
|
|
_______ is the output work divided by input work X by 100
|
Efficiency
|
|
|
____ scales are used to measure input and output force
|
Spring
|
|
|
In rotational mechanical system work is equal to
|
Torque x the angle through which the lever arm moves
|
|
|
How many Radians is equal to 57.3 degrees
|
1 Radian
|
|
|
What is the Basic english unit of work
|
foot-pounds
|
|
|
What is the basic unit of work in Si
|
Newton*meter
|
|
|
What is one 1 Joule
|
1 Newton*meter
|
|
|
What is linear mechinacal work
|
when a mass is moved in a stright line
|
|
|
What is angular mechinacal work
|
when a mass is moved around and axis or rotation
|
|
|
What does mechinacal work cause
|
Mechinacal work causes and object to start moving,stop moving or change direction
|
|
|
What is Fluid work equal
|
Pressure difference times the volume moved
|
|
|
what must you know to calculate fluid work
|
Weight density
|
|
|
What is rate
|
Rate is a displacement-like quantity divided by elapsed time
|
|
|
What is velocity
|
Velocity is the measure of liner mechanical work
|
|
|
What is Speed
|
Speed is similarto velocity but is scalar (No directional notation
|
|
|
What is the english units for liner mechanical rate
|
foot per second
|
|
|
What is the Si units for liner nechanical rate
|
Meter per Second
|
|
|
How is angular rate expressed in Si units
|
Radians per Second
|
|
|
How is angular rate expressed in englis units
|
Revolutions per minute
|
|
|
How many radians are in one revolution
|
6.28 radians
|
