Force
This is the force that opposes the motion of two surfaces that are in contact.
What is friction?
This is the change in an object's position over time?
What is motion?
This is the standard unit for measurement used by scientists in all countries.
What is meters/second? m/s
This is the formula for calculating pressure.
What is: Pressure = Force / Area ?
The height above sea level.
What is altitude?
This force pulls objects toward the center of the Earth .
What is gravity?
True or False: Balanced forces cause no change in movement.
What is True?
This is the formula for calculating speed.
What is: Speed = Distance / Time?
The standard unit for measuring area is?
What is newtons per metres squared?
newtons per metre squared or N/m2
The movement of gases to fill a container randomly and from an area of high concentration to low concentration is called _____.
This is the unit of force in the metric system.
What is Newton?
The object that turns as effected by force.
What is a lever?
This is thought to be the highest possible speed.
What is the speed of light?
1,000,000,000 km/h
Pressure in liquids (increases or decreases) with depth?
What is increases?
The _____ of a force describes the turning effect of a force.
This law states that for every action, there is an equal and opposite reaction.
What is Newton's Third Law?
When forces are not equal and/or act in directions that are not opposite, the forces are: balanced or unbalanced?
What are unbalanced?
This is a valuable tool when expressing distance or time for visual representation of movement.
What are distance/time graphs?
Pressure in gases (increases or decreases) with the number of particles?
What is increases?
The point around which the lever turns is called the ______.
What is a pivot?
The force acting from any surface to support an object.
What is contact force?
Name two things that a moment of force depends on.
What are 1.) size of the force. 2.) The distance between the position where the force acts and the pivot?
What is 240 m?
Distance= Speed x Time
4 x 60
Diffusion happens from an area of _____ concentration to an area of ____ concentration.
What is high to low?
Speed and direction of gas particle movement is random and the means that gases will move to fill a container is called ________.
What is diffusion?