Position & Motion
How can you determine the speed of a moving object?
What is distance / time?
An object that is sitting still has_________ forces acting on it.
What is balanced force?
Noncontact force that acts over a distance and pulls all objects toward each other.
What is gravity?
a change in an object's position
What is motion?
What is the speed of a car that is traveling 180 miles in 3 hours?
What is 60 miles per hour?
Objects in motion tend to stay in motion because of the property of__________ .
What is inertia?
A force between surfaces that slows objects or stops them from moving.
What is friction?
How fast an object's position changes over time at any given moment
What is speed?
The distance traveled in an amount of time is called________
What is speed?
A boy pushes on a box and moves it across the room. This is an example of __________ forces.
What are unbalanced forces?
What causes heat when rubbing your hands together?
What is friction?
the speed and directions of an object
What is velocity?
__________ describes when a moving object speeds up.
What is acceleration?
What force causes the baseball to change direction when it is hit by the bat?
What is the batter's force on the ball with the bat?
If you drop a rock in a lake, the rock will slow down because the water exerts ___________ .
What are drag forces?
a change in velocity over time
What is acceleration?
_________ same as speed, however, must also include direction.
What is velocity?
the tendency of an object in motion to stay in motion or of an object at rest to stay at rest
What is inertia?