Force and Gravity

To calculate net force, when forces are acting in opposite directions, the forces are ...

• added 

• subtracted 

• multiplied 

• divided 

Tags

NGSS.MS-PS2-2

Imagine you travel to another planet. What will change as you walk around the surface of the planet - your mass or your weight?

• Mass

• Weight

• Both

• Neither

Tags

NGSS.MS-PS2-4

 What is the unit that measures force?

• Weight

• Net force

• Newton

• Kilogram

Any object with mass has gravity.

• True

• Sometimes

• False

• Never

Tags

NGSS.MS-PS2-4

Gravity on Mars is lower than it is here on Earth. This is because the mass of mars is ______ than Earth.

• less

• more

• the same

Tags

NGSS.MS-PS2-4

What type of friction is not moving?

• static

• sliding

• fluid

• rolling

What is the net force on this box?

• 30 N left

• 25 N right

• 5 N left

• 55 N right

Tags

NGSS.MS-PS2-2

The force of gravity on a person or object on the surface of a planet is called

• terminal velocity.

• weight.

• free fall.

• mass.

Tags

NGSS.MS-PS2-4

The law of universal gravitation states that any two objects in the universe, without exception,

• attract each other.

• repel each other.

• combine to provide a balanced force.

• create friction.

Tags

NGSS.MS-PS2-4

The force of gravity between you and Earth is greater than the force of gravity between you and a car because Earth has more ____________________ than the car.

• weight

• mass

• velocity

• friction

Tags

NGSS.MS-PS2-4