Force and Motion

Front

What is force?

Back

A push or pull on an object that can cause it to move, stop, or change direction.

Front

What is motion?

Back

The change in position of an object over time.

Front

What is gravity?

Back

A force that pulls objects toward each other, such as the Earth pulling objects toward its center.

Front

What is friction?

Back

A force that opposes motion between two surfaces that are in contact.

Front

What are balanced forces?

Back

Forces that are equal in size but opposite in direction, resulting in no change in motion.

Front

What are unbalanced forces?

Back

Forces that are not equal and can cause an object to start moving, stop moving, or change direction.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

How do you calculate distance?

Back

Distance = Speed × Time.

Front

What is speed?

Back

The distance traveled per unit of time, often measured in kilometers per hour (km/h) or miles per hour (mph).

Front

What is the relationship between speed, distance, and time?

Back

If you know any two of these values, you can calculate the third using the formula: Distance = Speed × Time.