Shared Flashcard Set

Details

Science Quiz
fdsfsfsdfsdf
41
Science
10th Grade
02/22/2010

Additional Science Flashcards

 


 

Cards

Term
work
Definition

 

is a quantity that measures the effects of a force acting over a distance

Term
power
Definition
is a quantity that measures the rate at which work is done
Term
Mechanical advatage
Definition
measures how much a machine multiplies force or distance
Term
power is calculated by deviding work by
Definition
time
Term
Horsepower is the common unit of power in rating engines.However, the official SI unit of power is the
Definition
watts
Term
All levers have a rigid arm that turns around a point
Definition
fulcrum
Term
defined as a machine made up of more than one simple machine
Definition
compound machine
Term
is an inclined plane wrapped around a cylinder
Definition
screw
Term
defined as the ability to do work
Definition
energy
Term
the formula for calculating energy can be written as
Definition
ke= 1/2 mv2
Term
stored energy resulting from the relative positions of objects in a system
Definition
potential energy
Term
energy of a moving object due to its motion
Definition
kinetic energy
Term
The sum of the kinetic and potential energy of large-scale object objects in a system is called
Definition
radient energy
Term
measures the ratio of useful work output to work input
Definition
effciency
Term
is being done only when force causes a change in the motion of an object in the direction of the applied force
Definition
work
Term
Work is calculated by multiplying.....
Definition
force by distance
Term
What is the SI unit for work?
Definition
Jouels
Term
A joule is equivalent to
Definition
nueton X n meter
Term
at which rate is done?
Definition
power
Term
The SI unit for power is...
Definition
watt
Term
the equation for measuring power is work/time
Definition
Term
Simple machine are divided into two familys inwhich they are categorized
Definition
wedge,screw,levor,wheel&axel,pully,inclined plane
Term
helps us do work by making it easier
Definition
machines
Term
A simple machine that consist of rigid object and a fulcrum is called
Definition
a simple lever
Term
multiplies  pulleys are sometimes put together in a single unit called a
Definition
block & tackle
Term
the steering wheel of a car is an exmaple of what kind of simple of simple machines?
Definition
wheel and axel
Term
a wheelchair ramp is an example of an ...
Definition
inclined plane
Term
is a modified inclined plane
Definition
wedge screw
Term
an ex blade is an example of
Definition
wedge
Term
a spiral staircase describes what time simple macine?
Definition
screw
Term
combines two or more simple machine
Definition
compound machine
Term
what does the  law of conservation of energy state?
Definition
energy cannot be created or destroyed
Term
list the two types of energy.
Definition
potential and kentic
Term
energy of position is known as
Definition
potential energy
Term
energy in motion is called
Definition
kinetic energy
Term
list four forms of energy
Definition
electrical, thermal, machanical,magnetic
Term
The SI unit for measuring energy is
Definition
Joules
Term
Another name for thermal energy
Definition
heat
Term
Energy stored in the nucleus of an atom is
Definition
nuclear energy
Term
Radiant energy is also called
Definition
electromagnetic energy
Supporting users have an ad free experience!