Momchilovich Forces Part 1

Question 1

A push, pull, or lift on a mass

Answer 1

Force

Question 2

A pulling force that pulls all objects to the center of the Earth

Answer 2

Gravity

Question 3

Italian scientist who said all objects fall to the Earth at the same rate due to gravity

Answer 3

Galileo

Question 4

What is weight caused by?

Answer 4

The pull of gravity on the mass of your body or any object

Question 5

How do some say Galileo studied the effects of gravity?

Answer 5

He threw cannonballs off of the Leaning Tower of Pisa.

Question 6

How many g’s of force can you experience if you are on a plane that is nose diving?

Answer 6

0 g’s

Question 7

A change in velocity over time

Answer 7

Acceleration

Question 8

A pushing force that occurs when masses are in contact with each other

Answer 8

Friction

Question 9

What keeps planets in orbit around the sun?

Answer 9

Gravity

Question 10

Variable that is being observed or measured

Answer 10

Dependent

Question 11

Gravity and friction are types of what?

Answer 11

Forces

Question 12

Variable that changes, stands alone

Answer 12

Independent

Question 13

Why does your body lose muscle and bone mass in outer space?

Answer 13

Lack of gravity

Question 14

What causes the Earth’s low and high tides in the ocean?

Answer 14

The moon’s gravity

Question 15

When should you use a line graph?

Answer 15

When you are showing how a variable changes

Question 16

When should you use a pie chart?

Answer 16

When you are displaying survey results or percentages

Question 17

Where or when would a feather and an elephant fall at the same rate?

Answer 17

On the moon or in a vacuum

Question 18

What is air resistance a form of?

Answer 18

Friction

Question 19

Is the g-force on the moon greater or less than the g-force on Earth?

Answer 19

Less than

Question 20

What does the sun’s gravity do to asteroids and comets in outer space?

Answer 20

Pulls them towards the sun

Question 21

When should you use a bar graph?

Answer 21

When you are comparing 2 or more things

Question 22

What causes a feather to fall slower than a hammer on Earth?

Answer 22

Air resistance

Question 23

Is your weight the same no matter where you are?

Answer 23

No

Question 24

Why can a roller coaster go through a loop and not fall off the track?

Answer 24

Centripetal force, as long as it is going fast enough

Question 25

Where is the center of gravity on an object?

Answer 25

The point where the forces are equal

Question 26

What happens to your weight on the moon?

Answer 26

It decreases.

Question 27

When you write a hypothesis, where does the independent variable go?

Answer 27

After the if

Question 28

g =

Answer 28

9.8 meters per second squared

Question 29

Which way does the center of gravity move if the forces are not balanced?

Answer 29

Toward the higher mass or force

Question 30

When writing a hypothesis, where do you write the dependent variable?

Answer 30

After the then