Movin' Right Along
Use the Force
Free Body Diagrams
Vital Vocab.
100

When an object is not moving, physicists say it is ____________.

What is "at rest".

100

When you push a book across a table, you are providing this force.

What is applied.

100

The term used to describe the overall force acting on an object.

What is net force.

100

The definition of force.

What is a push or a pull.

200

The force that always opposes motion.

What is friction.

200

The force responsible for slowing down a skydiver.

What is air resistance or fluid friction or lift.

200

This is what a bigger arrow in a free body diagram means.

What is a stronger force (greater magnitude).

200

The unit of force and its abbreviation.

What is Newtons (N).

300
No change in motion will occur if the forces acting on an object are _______________.

What is balanced.

300

The support force that counteracts gravity.

What is normal force.

300

The net force in a tug of war if someone is pulling left with 1500 N and someone is pulling right with 1400 N.

What is 100 N left.

300

The support force that one solid object puts on another solid object to oppose gravity.

What is normal force.

400

A change in motion of an object will only occur if the forces acting on it are ________________.

What is unbalanced.

400

These are the four major types of friction.

What is sliding, rolling, fluid, and static.

400

Draw a free body diagram for a water bottle sitting on a table.

What is normal force up and gravity down.

400

This attractive force pulls objects together due to their masses.

What is gravity (gravitational force).

500

These are the five ways forces can impact the motion of an object

What are: start moving, change directions, speed up, slow down, or stop moving.

500

These two factors determine the strength of gravitational force between two objects.

What is mass and the distance between the objects.

500

Draw a free body diagram of a paper airplane coasting through the air to the right. 

What is gravity down, lift (air resistance) up, and drag (air resistance) left. 

500

The type of friction that must be overcome in order to first get an object moving.

What is static friction.