simple machines Flashcards
1
Q
machine
A
a device that makes work easier
2
Q
simple machine
A
a machine that uses only one movement
3
Q
lever
A
a bar that pivots around a fixed point called a fulcrum
4
Q
resistance
A
part where we place the object we want to move
5
Q
efffort
A
part where human applies force
6
Q
inclined plane
A
sloping surface used to raise an object
7
Q
wedge
A
an inclined plane with one or two sloping sides, but moving
8
Q
screw
A
an inclined plane wrapped in a spiral around a post
9
Q
wheel and axle
A
2 wheels of different sizes that rotate together
10
Q
pulley
A
a grooved wheel with a rope or chain in a groove
11
Q
single pulley
A
one pulley being used
12
Q
block and tackle pulley
A
combination of pulleys
13
Q
gears
A
multiple wheels that interlock together, one turn of a larger wheel causes the smaller wheel to turn multiple times
