4/23/24 warm-up

What is a NON-CONTACT force?

• A push or pull force where the objects are not touching

• A push force where the objects are touching.

• An example would be pulling open a door.

• The only type of force that exists in the world.

What is GRAVITY?

• A force that pushes all objects away.

• A force that attracts all objects toward one another.

• A force that creates magnetic fields.

• The force of electrons spinning in a certain direction.

The three examples pictured are of

• Non-contact Forces

• Contact Forces

The force between the phone and the mount is a

• contact force

• non-contact force

What two things determine the gravity of an object?

• mass & weight

• mass & distance

• density & mass

• volume & distance

What law is best described by inertia?

• 1st
• 2nd
• 3rd
• law of conservation of mass

What law is best described

• 1st

• 2nd

• 3rd

• law of motion

What Unit do we Measure Force in? 

• Newtons
• Joules
• Force
• Kilograms

With unbalanced forces, the object will move in the direction that the _______ force is being applied.

• larger 
• smaller 
• equal 
• less

You hit a wall with a stick.  The equal but opposite reaction is _____

• the wall pushes against you
• the stick pushes against you
• you push against the stick
• the wall pushes against the stick