Since velocity is a speed and a direction, there are only two ways for you to _______________: change your speed or change your direction—or change both.

• create velocity

• accelerate

• experience gravity

• create friction

Whenever there is an interaction between two objects, there is a ______________ upon each of the objects.

• newton

• inertia

• force

• friction

_______________ influences when objects move.

• gravity

• velocity

• inertia

• Motion

Which of the following is determined by the force of gravity?

• inertia

• weight

• speed

• reference point

What are you calculating when you divide distance over time?

• slope

• acceleration

• speed

• inertia

To calculate average speed, divide the total _________ by the total _________

• distance

• acceleration

• time

• velocity

You can find the speed on a distance-versus-time graph by finding the __________ of the line.

• slope

• friction

• inertia

• motion

______________ is the speed at which something moves in a particular direction, such as the speed of a car traveling north on a major freeway, or the speed a rocket travels as it launches into space.

• force

• reference point

• net force

• velocity

An object is in motion if it changes position relative to a _______________________.

• net force

• reference point

• relative point

Tags

NGSS.3-PS2-2

The unit for the strength of a force is a ___________.

• newton

• net force

• mass

• kilogram