Types of motion
Which type of motion STRETCHES an object
Tension
How many kinds of simple machines are there?
6
Name 1 example of an inclined plane
Ramp, stairs
How many types of lever are there?
3
What family are wheels and axels in?
The lever family
Which type of motion BENDS an object
Flexion
To which family of simple machines does a wedge belong?
Inclined plane family
A screw is made up of which kind of other simple machine?
Inclined plane
Name 2 examples of a lever
scissors, stapler
What is the word for a wheel without axels?
Roller
Which type of motion squishes an object?
Give an example of a pulley
flagpole, elevator, blinds
Which plane will require the most force to move an object?
The gentlest plane
The Steepest plane
Something in the middle?
The steepest plane
In a third class lever, the _______________ is in the middle?
a. Fulcrum
b. Load
c. Force
c. Force
Which surface has the most friction?
a) carpet
b) wood
c) floor
a) carpet
Which type of motion rotates an object?
Torsion
A simple machine that helps split an object apart
Wedge
A water bottle lid is an example of this machine
Screw
Balanced
A pulley is made of a ______________ and a ________________ with a cord or chain.
a. inclined plane
b. wheel and axel
c. wedge and screw
b. wheel and axel
Which type of motion RIPS or TEARS an object?
Name all 6 simple machines
Inclined plane, wedge, lever, screw, wheel, pulley
A stapler is an example of this kind of machine
Lever
Annie throws an ice cube out the window. Are the forces balanced or unbalanced?
Unbalanced
Which force do wheels help us reduce?
Friction