Gravity, Frictional Force, and Energy Conversion

Any object with mass has a/an _________ pull on the objects around it

• gravitational
• frictional
• inertial
• strong

________ is a force that opposes the motion between two objects in contact

• friction
• gravity
• inertia 
• weight

The main force that slowed down our cars was ________

• friction

• gravity

• inertia

• small straw

Friction can be categorized into two types, ______ and ________

• rolling, sliding 
• fluid, kinetic
• kinetic, static 
• rolling, static

What is a force?

• a push or pull
• speed or acceleration 
• potential or kinetic energy
• balanced or unbalanced force

Tags

NGSS.MS-PS2-1

What is the force that causes everything to be pulled down to the Earth?

• friction
• gravity
• balanced
• unbalanced

Tags

NGSS.MS-PS2-4

Force is measured in....

• Galileos 
• Newtons
• Di Vincis
• Einsteins 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Friction helps objects to move easier.

• true
• false

Tags

NGSS.MS-PS2-2

Some things have A LOT of mass, while other have FEW mass. 

• TRUE
• FALSE

Tags

NGSS.MS-PS2-4

Which object has a GREATER force of gravity?

• Ball
• Earth

Tags

NGSS.MS-PS2-4