When an object is not moving, we say it is ____________.
What is "at rest".
When you push a book across a table, you are providing this force.
What is Normal Force
Draw a free body diagram for a water bottle sitting on a table.
What is normal force up and gravity down.
The object used to represent forces on a free body diagram.
What is an arrow?
The force that always opposes motion.
What is friction.
The support force that counteracts gravity.
What is normal force?
Draw a free body diagram for a bucket of paint being pulled up a building by a rope.
What is gravity down, tension up (tension arrow is greater than gravity arrow)
This is what a bigger arrow in a free body diagram means.
What is a stronger force (greater magnitude).
A change in motion will occur if the forces acting on an object are _______________.
What is unbalanced.
The force responsible for slowing down a skydiver.
What is air resistance?
Draw a free body diagram of a dog slipping across the floor to the right.
What is normal force up, gravity down, friction left, normal force right. (Right arrow bigger than left arrow)
The two things explained by arrows in a free body diagram.
What is magnitude and direction of forces?
These are three ways forces can impact the motion of an object.
What are: speed up, change directions, slow down?
An airplane is slowing as it lands on the tarmac. The forces acting on the airplane are...
What are gravity, air resistance, friction, normal force, normal force?
When drawing free body diagrams for objects at rest, the arrows for the ___________ force and the ___________ force are _______________ and ________________.
What is normal, gravitational, equal, opposite?