Vocab Flashcards
vocaburlary (10 cards)
1
Q
Work:
A
is the transfer of energy that occurs when a force is applied over a distance
2
Q
Power:
A
the rate at which work is done or energy is transferred
3
Q
Mechanical advantage:
A
the measure of how much a machine multiplies the force applied to it
4
Q
Efficiency:
A
the measure of how effectively a system converts input resources into useful output
5
Q
Simple machine:
A
a device with few or no moving parts that uses force to do work
6
Q
Lever:
A
a simple machine made of a rigid beam and a fulcrum
7
Q
Fulcrum:
A
A fixed point of support of a lever which acts as the pivot about which the lever turns
8
Q
Wheel and axle:
A
consists of a round disk
9
Q
Incline plane:
A
a flat supporting surface tilted at an angle from the vertical direction
10
Q
Wedge
A
a simple machine that uses two inclined planes to split
