Gravity - Assessment

1.

Multiple Choice

1 min

12 pts

What is the SI unit used to measure force?

pounds

grams

newtons

kg/ m²

2.

Multiple Choice

1 min

1 pt

Who said that falling objects fall at the same rate?

Galileo

Kepler

Brahe

Copernicus

3.

Multiple Choice

1 min

1 pt

Gravity attracts all objects towards one another.

False

True

It depends

I don't care

4.

Multiple Choice

30 sec

1 pt

Any object with mass is surrounded by a gravitational field.

True

Sometimes

False

Never

5.

Multiple Choice

30 sec

1 pt

The force of gravity is also known as

Mass

Weight

Distance

Acceleration

6.

Multiple Choice

1 min

1 pt

As distance between two objects increase the pull of gravity

Increases

Decreases

Stays the same

7.

Multiple Choice

1 min

1 pt

The force of gravity acting on an object is the object's ______.

mass

matter

weight

terminal velocity

8.

Multiple Choice

1 min

1 pt

Which of the following will not change in different gravitational fields?

weight

force

mass

pounds

9.

Multiple Choice

1 min

1 pt

An object is falling but is not accelerating. What do you know?

Gravity is stronger than air resistance

Air resistance is stronger than gravity

Air resistance is equal to gravity

Forces are unbalanced

10.

Multiple Choice

1 min

1 pt

Where would you have to travel to reduce your weight but not lose any mass?

The moon

The Sun

Jupiter

Saturn

11.

Multiple Choice

30 sec

1 pt

Both of these are measured in Netwons

Force and acceleration

Force and weight

Mass and weight

Mass and acceleration

12.

Multiple Choice

1 min

1 pt

When does a falling object experienced balanced forces?

Terminal velocity

During free fall

When it first starts to fall

Just before it hits the ground

13.

Multiple Choice

1 min

1 pt

This FORCE pulls things. It PULLS things into orbit around the sun.

Newton

gravity

weight

path

14.

Multiple Choice

1 min

1 pt

A person would weigh more on Jupiter than on the Earth because . . .

Jupiter has more mass, and therefore more gravity

Jupiter has less mass, and therefore more gravity

Jupiter has more mass, and therefore less gravity

Jupiter has less mass and therefore less gravity

15.

Multiple Choice

1 min

1 pt

A person weighs _____ on the Earth than they do on the Moon.

less

more

the same

16.

Multiple Choice

1 min

1 pt

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

less

more

the same

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