Force Vocabulary
What is a force?
A push or pull
Which simple machine is a flat surface with one end raised that helps things move up and down?
Inclined plane
A ramp or staircase is an example of:
Inclined Plane
What is a compound machine?
Two or more simple machines working together
A simple machine with a rope and wheel is called a wheel and axle, true or false?
False, it is called a pulley.
What force pulls objects toward earth?
Gravity
Which simple machine is used to split or stop things?
Wedge
A doorknob or skateboard are examples of:
Wheel and axles
What 2 simple machines make up a pair of scissors?
Lever and wedge
What do you need to move an object?
A force
What force happens when forces are working in opposite directions that cause things to slow down?
Friction
Which simple machine is used to keep things together?
Screw
A shovel, axe, and door stop are examples of:
Wedges
What 2 simple machines make up a wheel barrow?
Wheel and axle and lever
An object's ________ tells you how much force you will need to move an object.
Mass or weight
What is the difference between contact and noncontact forces?
Contact forces happen when one thing touches another. Noncontact forces do not require any touching, such as magnets or wind.
Which simple machine often uses a rope to help lift things easier?
Pulley
A lightbulb or jar are examples of:
Screws
What 3 simple machines make up a bicycle?
Pulley, wheel and axle, and lever
If two people are pushing a box with the SAME force in OPPOSITE directions, what will happen to the box?
The box will not move
What is net force and when does an object have 0 net force?
Which simple machine uses a flat board and fulcrum to help move things?
Lever
A crane or blinds are examples of:
Pulleys
What 3 simple machines make up a pizza cutter?
Wedge, lever, wheel and axle.
Name all 6 simple machines
Level, pulley, wedge, wheel and axle, inclined plane, and screw.