forces and motion A
This is the gravitational pull on a mass.
What is weight?
A buffalo traveling 210 meters in 30 seconds is moving at this speed.
What is 7 meters/second ?
A push or pull on something.
What is force?
The journey from start to finish.
What is distance ?
What is mass?
How fast an objects position changes over time.
What is speed
Force that acts on an object when it rubs against another object or material.
____ can change the direction of an object.
What is an unbalanced force?
The amount of space between two objects.
Is the object in our solar system that has the most gravity.
Is the scientist who first figured out how gravity works.
Who is Isaac Newton?
A change in position over time is called _____.
What is motion?
An force applied in the opposite direction of an object's motion will (increase OR decrease) its speed.
What is decrease?
The two things that I need to know to find the speed of an object.
What are distance and time?
This is shown with a flat (horizontal) line on a distance/time graph.
What is no distance travelled (stopping)?
The rate at which something or someone is able to move.
Moving parts in machinery are coated in oil and grease to reduce this.
This will happen to an object at rest if no force acts upon it.
What is stay at rest?
The amount of particles (mass) packed into an amount of space (volume).
What is density?
In 5 hours, the cyclist biked 120 miles. This was his speed.
What 24 miles per hour?