Per 2 4/10 Warm-Up

A force is a

• push or pull

• mythical star wars powers

• can only happen with contact

• only gravity

Force that resists motion between two surfaces.

• gravitational

• normal

• applied

• friction

Rina’s mother asked her to help move some items from the hall closet to the garage. One item she wanted to move was a large box of old school books. Rina tried to lift the box, but could not pick it up. What force was Rina NOT able to overcome?

• frictional force

• gravitational force

• applied force

• normal force

What type of force?

• Magnetic
• Gravitational
• Applied
• Normal

What type of force is holding this balloon to the wall?

• Applied
• Gravitational
• Magnetic
• Electrical

What will happen when these magnets are brought close together?

• They will attract each other.
• They will repel each other.
• Both magnets will turn to the left
• Both magnets will turn to the right

_{^{The magnet's shown will}}

• not move
• attract
• repel
• all of the above

Two factors effecting the magnitude of the force of gravity between 2 objects are...

• mass and distance 
• mass and matter
• distance and weight 
• weight and mass

Which has a STRONGER force of gravity, Earth or the Moon?

• Earth
• Moon

When will the forces of gravity between two objects be the GREATEST?

• when the masses of both objects are small and the objects are far apart

• when the masses of both objects are large and the objects are close together

• when the masses of both objects are small and the objects are close together

• when the masses of both objects are large and the objects are far apart