Type of force that opposes motion
Friction
Two unequal forces acting on a object that change speed
Unbalanced
Force of water acting upwards on floating objects
Bouyancy
Shape of objects that reduces friction in air and water
Streamline
Type of simple machine consisting of a load, effort and fulcrum
Lever
An axe is an example of an ______________ (type of simple machine)
Inclined plane
The fixed point around which a level moves is the ___________
Fulcrum
Unit of force
Newtons
Example of a non-contact force
Magnetism
Force that pulls objects to the surface of the Earth
Gravity
Friction is an example of a _____________ force
Contact
Two forces acting on an object are balanced. The object is moving at a __________ _______________
Constant speed
Stationary objects are a result of _______________ forces
Balanced
Substance such as oil that reduces friction
Lubricant
Mass of the object is the ___________ everywhere on Earth
Same
The weight of an object is __________ on the Moon compared to Earth
Less
Amount of matter in an object
Mass