Motion, Force, and Work Flashcards
what is an inclined plane wrapped in a spiral?
a screw
what is the rate at which work is done?
Power
what occurs when a force causes an object to move in the direction of the force?
work
the work you do on a machine is called?
work input
what is a simple machine that is a straight, slanted surface
inclined plane
what is it called when a machine compares the input force with the output force?
mechanical advantage
all machines are constructed from six __________ ______________
simple machines
what is it called when two kinds of pulleys are used together?
a block and tackle
what simple machine consisting of a bar that pivots at a fixed point?
a lever
what is a device that makes work easier by changing the size or direction of force?
machine
what common machine is a screwdriver that is used to pry off the lid on a paint can?
lever
what simple machine is a double inclined plane that moves?
A wedge
what are machines that are made up of two or more simple machines?
A compound machine
what is a simple machine consisting of two circular objects of different sizes?
A wheel and axle
what is a simple machine that consists of a grooved wheel that hold a rope or cable?
a pulley
