Forces

The force that opposes the motion of two surfaces sliding past each other is called ___________.

• acceleration
• inertia
• friction
• unbalanced

What is the unit of force?

• Kilogram
• Meter
• Pascal
• Newton

What force brings the pencil down?

• Applied
• Magnetic
• Normal
• Gravitational

Tags

NGSS.MS-PS2-4

An _______ force must act on an object for it to CHANGE it's motion

• balanced
• unbalanced
• gravitational
• electrical

A push or a pull that starts, stops or changes the direction of an object

• force

• energy

• gravity

• motion

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The SI unit for force is _______

• Newtons

• Gravity

• Meter

• Joules

The law of inertia (Newton’s First Law) applies

• to both moving and nonmoving objects
• only to moving objects
• only to objects that are not moving

An object in motion tends to stay in motion unless an ___ force acts on it.

• unbalanced
• balanced

Tags

NGSS.MS-PS2-2

What is the net force on an object?

• the sum of all the forces on an object
• the negative forces on an object

Tags

NGSS.MS-PS2-2

The tendency of an object to resist change in motion.

• Force
• Motion
• Friction
• Inertia