Friction and Gravitational Interactions

__________ is the force two surfaces exert on each other when they rub against each other.

• Friction

• Gravity

• Motion

• Push or Pull

The measure of how much matter is in an object is referred to as the object's __________.

• mass

• weight

• volume

• density

__________ is the measure of the force of gravity on an object.

• Weight

• Mass

• Volume

• Density

Tags

NGSS.MS-PS2-4

__________ is just sliding friction between two very smooth surfaces or when an object rolls across a surface.

• Rolling Friction

• Sliding Friction

• Static Friction

• Fluid Friction

__________ occurs when two solid surfaces slide across each other. This is what makes moving objects slow down and stop.

• Rolling Friction

• Sliding Friction

• Static Friction

• Fluid Friction

__________ acts on objects when they are resting on a surface.

• Rolling Friction

• Sliding Friction

• Static Friction

• Fluid Friction

__________ occurs when a solid object moves through a fluid, like water or wind.

• Rolling Friction

• Sliding Friction

• Static Friction

• Fluid Friction

______________ is potential energy that depends on the height of an object.

• Gravitational Potential Energy

• Kinetic Energy

• Static Energy

• Conserved Energy

Tags

NGSS.MS-PS3-2

Which is an example of Rolling Friction?

• A ball rolling across the ground

• A child sliding down a slide

• A person trying to push a tree over

• A fish swimming in water

Which is an example of Sliding Friction?

• A ball rolling across the ground

• A child sliding down a slide

• A person trying to push a tree over

• A fish swimming in water