Unit F Ch. 3: Making and Measuring Motion

What is a force that occurs between surfaces that are in contact with each other?

• gravity

• motion

• density

• friction

Who developed laws about motion in the 1600s?

• Galileo Galilei

• Isaac Newton

• Alberts Einstein

• Aristotle

The tendency of an object to remain at rest or in motion is called _________.

• gravity

• force

• inertia

• acceleration

When a car stops suddenly, what causes a passenger to travel forward at the car's original speed?

• gravity

• newton

• inertia

• speed

Which of the following formulas shows how force causes a change in speed or direction?

• F = m x a

• M = f x a

• F = m/a

• M = a/f

What are metal balls inserted between two surfaces that rub against each other?

• sliders

• ball bearings

• billiad balls

• studs

What does an airbag overcome in stopping a person during a crash?

• gravity

• seatbelt

• friction

• inertia

Tags

NGSS.MS-PS3-5

Liquids or fine powders used to reduce friction between two surfaces are called __________.

• slides

• grease

• bearings

• lubricants

What is the force needed to accelerate a 1-kg object by 1 meter per second every second?

• newton

• mass

• force

• pound

Tags

NGSS.MS-PS2-2

What are different kinds of athletic shoes designed to provide an athlete?

• the right lubricants

• a sliding surface

• the right amount of friction

• inertia

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2