Friction and Gravity

The force that two surfaces exert on each other as they rub against each other.

• gravity
• friction
• mass
• weight

The force that pulls objects towards each other.

• gravity
• friction
• mass
• weight

Tags

NGSS.MS-PS2-4

The amount of matter in an object

• gravity
• friction
• mass
• weight

The measure of the force of gravity on an object.

• gravity
• friction
• mass
• weight

Tags

NGSS.MS-PS2-4

Two factors that affect friction

• mass and distance
• types of surfaces and how hard they are pushed together
• force and distance
• mass and direction

Two factors that affect gravity

• mass and distance
• types of surfaces and how hard they are pushed together
• force and distance
• mass and direction

Tags

NGSS.MS-PS2-4

When two solid surfaces slide over each other.

• sliding friction
• rolling friction
• fluid friction
• static friction

The type of friction applied to an airplane moving through the sky.

• sliding friction
• rolling friction
• fluid friction
• static friction

Friction of an object rolling across a surface.

• sliding friction
• rolling friction
• fluid friction
• static friction

Tags

NGSS.MS-PS2-2

The force of friction acts in the ___________ direction of the motion

• opposite
• same