TEST_DE_Phys_2.3-2.5

1

As the distance between two charged particles increases, the force between them ___________.

decreases

increases

initially increases, then decreases

remains constant

1

When an electron is near a proton, which of the following is true?

There is no electric force between the two.

There is a repulsive force between the two.

There is an attractive force between the two

The force can be either attractive or repulsive depending on the distance between the two.

1

Common forces often known as 'contact forces' (such as a person's hand pushing a chair) are actually not caused by contact but rather are primarily the result of _________ acting at a distance.

the strong nuclear force

the electric force

the gravitational force

a combination of the gravitational, electric and strong nuclear forces

1

Two metal conducting spheres are fixed in place and have charges of 0.00025 C and 0.00015 C. They are separated by a distance of 0.85 meters. What is the electric force between them?

3

Draggable item		Corresponding Item
Newton's 2nd law		An object in motion stays in motion, unless acted on by a force and an object at rest stays at rest unless acted on by a force
Newton's 3rd law		Force is the product of mass and acceleration
Newton's 1st law		For every action force, there is an equal but opposite reaction force

2

1

Which of the following is a unit of mass?

newton

kilogram

tesla

meter

1

At the top of Willis tower (110 stories high) in Chicago, you weigh ________.

slightly less than you do at the bottom of the Grand Canyon

twice as much as you do at the bottom of the Grand Canyon

the same as you do at the bottom of the Grand Canyon

slightly more than you do at the bottom of the Grand Canyon

1

A 9900-kg object feels a gravitational force of 12.0 N due to a 52,000-kg object. What is the distance between the two objects?

1

If your mass on Earth is 100.0 kg, what is your mass on Jupiter, where the force of gravity is approximately 2.5 that of Earth?

100.0 kg

40 kg

25 kg

2500 kg

1

Seesaws use the concept of center of gravity to work. If your mass is 100 kg and your friend has a mass of 80 kg, where is the center of gravity located?

closer to you

closer to your friend

an equal distance between you and your friend

cannot be determined based on the information provided

8

Draggable item		Corresponding Item
perihelion		the point in the orbit of a planet or other orbiting body where it is farthest from the Sun or the body around which it revolves
orbit		A date of the year when daylight and nighttime each last 12 hours everywhere on Earth and neither hemisphere is tilted toward or away from the sun; occurs twice per year
satellite		the circular or elliptical path of an object as it revolves around another object
solar eclipse		the point in the orbit of a solar system body when it is closest to the Sun
tide		any object that orbits another object
solstice		the temporary blockage of sunlight by the moon as it travels between Earth and the Sun
equinox		the twice-a-year occurrence during which the Sun appears at the highest point in the sky as seen from the North or South pole
aphelion		the regular fluctuation of sea water driven by the gravitational pull of the Moon and Sun on Earth's oceans and other large bodies of water

1

What event occurs when one celestial object or that object’s shadow obscures the view from Earth?

equinox

tide

solstice

ecllipse

1

The spin of a body on its axis is called ________.

revolution

orbital period

axial tilt

rotation

1

The International Space Station is an example of ________.

an artificial satellite

a tidally locked satellite

a lunar satellite

a natural satellite

1

According to Kepler's third law of planetary motion, ________.

the cube of a planet's orbital period is inversely proportional to the square of its average distance from the sun

the cube of a planet's orbital period is directly proportional to the square of its average distance from the sun

the square of a planet's orbital period is directly proportional to the cube of its average distance from the sun

the square of a planet's orbital period is inversely proportional to the cube of its average distance from the sun

1

Which of the following is the primary cause of tides on Earth?

Earth's position between Venus, which is more massive, and Mars, which is less massive

the moon's revolution around Earth

Earth's revolution around the sun

Earth's rotation on its axis

1

According to Kepler's first law of planetary motion, ________.

a planet's orbit is elliptical, with the sun at one focus of the ellipse.

a planet's orbit is elliptical, with the sun at the center of the ellipse.

a planet's orbit is circular, with the sun at the center of the circle.

a planet's orbit is elliptical, with the sun moving back and forth between the ellipse's two foci.

1

Which of the following is not a phase of the moon?

first quarter

waxing gibbous

waxing crescent

waning quarter

1

The following diagram shows Earth at the point in its orbit farthest from the sun.
Based on this diagram, which of these statements is correct?

It is summer in the Northern Hemisphere because that hemisphere is tilted toward the sun.

It is summer at the North Pole only and winter everywhere else on the planet.

It is winter in the Northern Hemisphere because Earth is farther from the sun than at any other point it its orbit.

It is winter at the South Pole only and summer everywhere else on the planet

TEST_DE_Phys_2.3-2.5

As the distance between two charged particles increases, the force between them ___________.

When an electron is near a proton, which of the following is true?

Common forces often known as 'contact forces' (such as a person's hand pushing a chair) are actually not caused by contact but rather are primarily the result of _________ acting at a distance.

Two metal conducting spheres are fixed in place and have charges of 0.00025 C and 0.00015 C. They are separated by a distance of 0.85 meters. What is the electric force between them?

Which of the following is a unit of mass?

At the top of Willis tower (110 stories high) in Chicago, you weigh ________.

A 9900-kg object feels a gravitational force of 12.0 N due to a 52,000-kg object. What is the distance between the two objects?

If your mass on Earth is 100.0 kg, what is your mass on Jupiter, where the force of gravity is approximately 2.5 that of Earth?

Seesaws use the concept of center of gravity to work. If your mass is 100 kg and your friend has a mass of 80 kg, where is the center of gravity located?

What event occurs when one celestial object or that object’s shadow obscures the view from Earth?

The spin of a body on its axis is called ________.

The International Space Station is an example of ________.

According to Kepler's third law of planetary motion, ________.

Which of the following is the primary cause of tides on Earth?

According to Kepler's first law of planetary motion, ________.

Which of the following is not a phase of the moon?

The following diagram shows Earth at the point in its orbit farthest from the sun.Based on this diagram, which of these statements is correct?

As the distance between two charged particles increases, the force between them ___________.

When an electron is near a proton, which of the following is true?

Common forces often known as 'contact forces' (such as a person's hand pushing a chair) are actually not caused by contact but rather are primarily the result of _________ acting at a distance.

Two metal conducting spheres are fixed in place and have charges of 0.00025 C and 0.00015 C. They are separated by a distance of 0.85 meters. What is the electric force between them?

Which of the following is a unit of mass?

At the top of Willis tower (110 stories high) in Chicago, you weigh ________.

A 9900-kg object feels a gravitational force of 12.0 N due to a 52,000-kg object. What is the distance between the two objects?

If your mass on Earth is 100.0 kg, what is your mass on Jupiter, where the force of gravity is approximately 2.5 that of Earth?

Seesaws use the concept of center of gravity to work. If your mass is 100 kg and your friend has a mass of 80 kg, where is the center of gravity located?

What event occurs when one celestial object or that object’s shadow obscures the view from Earth?

The spin of a body on its axis is called ________.

The International Space Station is an example of ________.

According to Kepler's third law of planetary motion, ________.

Which of the following is the primary cause of tides on Earth?

According to Kepler's first law of planetary motion, ________.

Which of the following is not a phase of the moon?

The following diagram shows Earth at the point in its orbit farthest from the sun.Based on this diagram, which of these statements is correct?

The following diagram shows Earth at the point in its orbit farthest from the sun.
Based on this diagram, which of these statements is correct?

The following diagram shows Earth at the point in its orbit farthest from the sun.
Based on this diagram, which of these statements is correct?