Forces and motions

Forces are a _________ or _________.

• heavy or strong

• cool or weird

• on Earth or Outer Space

• push or a pull push or a pull

When forces on an object are balanced...

• the object moves in a straight line.

• the object does not move.

• the object falls off the table.

Objects move when there are ___________ being applied to them.

• unbalanced forces

• balanced forces

Inertia is....

• a measurement of the force on an object

• a push or a pull.

• an object’s resistance to a change in motion.

• a measurement of how much matter is in an object. a measurement of how much matter is in an object.

What force causes two objects to slow down when they are rubbed together?

• Gravity, which pulls objects to Earth

• friction

• The force of a push or a pull

Define friction.

• the area around a magnet that applies a force
• when objects experience equal push and pull
• one surface or object rubbing against another
• the force that attracts an object towards earth

What is force?

• A game where each side pulls on a rope until someone wins.

• A kind of pizza

• A unit of measure

• A push or a pull

__________________ is the force that makes an object slow down.

• speed
• gravity
• friction
• pulley

A force that pulls the apple to the ground is called __________________.

• speed
• gravity
• friction
• pulley

Tags

NGSS.MS-PS2-4

Which object needs a smaller force to move it?

• leaf
• rock