What is a Machine? Flashcards
1
Q
work
A
- force * distance
2
Q
machine is…
A
- a device that can make work more effective … easier
3
Q
simple machines…
A
- lever
- inclined plane
- wedge
- wheel and axle
- pulley
- screw
4
Q
lever
A
- bar that pivots around a fulcrum
5
Q
inclined plane
A
- flat surface that slopes
6
Q
wedge
A
- 2 inclined planes back to back
7
Q
wheel and axle
A
- a simple lifting machine consisting of a rope that unwinds from a wheel onto a cylindrical drum or shaft joined to the wheel to provide mechanical advantage.
8
Q
pulley
A
- a grooved cable with a cable wrapped around it
9
Q
screw
A
- inclined plane wrapped around a post
