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"Forces of Motion"

QuestionAnswer
Force is a Push or pull that acts on an object and make it speed up or slow down.
A force can also cause an object to change direction
Gravity is the force that exists on the earth between 2 objects
Gravity also pulls an object down from floating when you throw it into the air or when u jump
Magnetism is a force that exists when a magnetic field is present. It force acts on certain metals such as Iron and Steel
Friction Is a force that resists the movement of one surface past another surface
Friction also depends on the mass of the object
Air Friction Works with gravity to slow the upward motion of the rocket when u throw it up in the air
Effects of friction You can walk, turn, and push. Moving Parts in a machine work better with less friction between the parts
Reducing Friction You use oil in a car to reduce friction and grease on a bikes chain
Lubricant is any substance that reduces friction and helps moving parts move more friction
Static Friction A part of friction that makes something straight like a desk so objects can stay on it
Sliding Friction Like a toy car going on a carpet and the carpet will slow it down
Rolling Friction Like putting objects on a cart to move it quicker
Fluid Friction Is air resistance so it affects an object when falling normal paper floats while when crumpled it moves faster
Created by: MadZoe
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