Unit Four Practice Problems

Front

What two letters have the most kinetic energy?

Back

X & Z

Front

Picking up a box is an example of ____________

Back

Work

Front

What is the equation for impulse?

Back

Impulse = Force x Time

Front

Calculate the work done when a force of 18 N is applied to move a dresser 3.0 m.

Back

54 J

Front

Which object has the most momentum if they are all rolling at the same velocity?

Back

Rolling bowling ball

Front

Define kinetic energy.

Back

The energy an object possesses due to its motion.

Front

What is the formula for calculating work?

Back

Work = Force x Distance

Front

What is momentum?

Back

The product of an object's mass and its velocity.

Front

How is impulse related to momentum?

Back

Impulse is the change in momentum of an object.

Front

What is the unit of work?

Back

Joule (J)