What would happen if the Space Shuttle were launched with a speed greater than Earth's escape velocity ?

It would travel away from Earth into the solar system.

it would orbit Earth at a faster velocity

It would travel in a higher orbit around the Earth

It would be in an unstable orbit.

It would take less time to reach its bound orbit

Suppose you lived on the Moon. Which of the following would be true?

Your weight would be less than your weight on Earth, but your mass would be the same as it is on Earth.

Both your weight and your mass would be less than they are on Earth.

Both your weight and your mass would be the same as they are on Earth

Your mass would be less than your mass on Earth, but your weight would be the same as it is on Earth.

Choose the correct description of an object that is accelerating ?

A car going around a circular track at a steady 100 miles per hour.

A car traveling on a straight uphill road at 30 miles per hour.

A car traveling on a straight, flat road at 50 miles per hour.

Compared to their values on Earth, on another planet your

mass would be the same but your weight would be different.

weight would be the same but your mass would be different.

mass and weight would both be the same.

Suppose you are in an elevator. As the elevator starts upward, its speed will increase. During this time when the elevator is moving upward with increasing speed, your weight will be __________.

greater than your normal weight at rest

less than your normal weight at rest

equal to your normal weight at rest

Suppose you are in an elevator that is moving upward. As the elevator nears the floor at which you will get off, its speed slows down. During this time when the elevator is moving upward with decreasing speed, your weight will be __________.

less than your normal weight at rest

equal to your normal weight at rest

greater than your normal weight at rest

For which of the following other motions would your weight also be greater than your normal weight?

The elevator moves downward while slowing in speed.

The elevator moves upward while slowing in speed

The elevator moves downward while increasing in speed.

The elevator moves downward with constant velocity.

The elevator moves upward with constant velocity.

When you are standing on a scale in an elevator, what exactly does the scale measure?

the force you exert on the scale

the gravitational force exerted on you by Earth

Suppose you are in an elevator car when the elevator cable breaks. Which of the following correctly describes what happens and why.

You float weightlessly within the elevator car because you and the elevator both begin to accelerate downward at the same rate.

You float weightlessly within the elevator car because Earth's gravity is no longer tugging on you.

You will crash your head into the elevator car ceiling because Earth's gravity will be pulling the car down faster than it pulls you down.

You will crash your head into the elevator car ceiling because the car will be falling rapidly away from you.

You will remain stuck to the elevator floor as you and the elevator plunge downward toward a horrific crash

Suppose an object is moving in a straight line at 50 miles/hr. According to Newton's first law of motion , the object will

continue to move in the same way until it is acted upon by a force.

eventually slow down and come to a stop.

continue to move in the same way forever, no matter what happens.

continue to move in a straight line forever if it is in space, but slow and stop otherwise.

continually slow down but never quite come to a complete stop.

How does the Space Shuttle take off?

Hot gas shoots out from the rocket and, by conservation of momentum, the shuttle moves in the opposite direction.

It converts mass-energy to kinetic energy.

It achieves lift from its wings in the same way that airplanes do.

Its rocket engines push against the launch pad propelling the shuttle upwards.

The hot rocket exhaust expands the air beneath the shuttle, propelling it forward.

The fact that the Voyager spacecraft continues to travel out of the solar system, even though its rockets have no fuel, is an example of

the universal law of gravitation.

Which of the following examples describes a situation where a car is experiencing a net force?

the car is making a gradual turn.

the car is moving at constant speed.

the car is floating on a stationary boat.

Consider the statement "There's no gravity in space." This statement is:

False if you are close to a planet or moon, but true in between the planets.

A skater can spin faster by pulling her arms closer to her body or spin slower by spreading her arms out from her body. This is due to

conservation of angular momentum.

energy from nuclear power plants

energy used to power home radiators

32 ° 32\degree 3 2 ° Fahrenheit

273 ° 273\degree 2 7 3 ° Celsius.

What does temperature measure?

the average kinetic energy of particles in a substance

the total potential energy of particles in a substance

the total number of particles in a substance

the average size of particles in a substance

the average mass of particles in a substance

In the formula E = mc 2 , what does E represent?

the mass - energy, or potential energy stored in an object's mass

the kinetic energy of a moving object

the electric charge of the object

the gravitational potential energy of an object held above the ground

the radiative energy carried by light

Considering Einstein's famous equation, E = mc 2 , which of the following statements is true ?

A small amount of mass can be turned into a large amount of energy.

Mass can be turned into energy, but energy cannot be turned back into mass.

One kilogram of mass represents 1 joule of energy.

You can make mass into energy if you can accelerate the mass to the speed of light.

It takes a large amount of mass to produce a small amount of energy.

The amount of gravitational potential energy released as an object falls depends on

its mass and the distance it falls, as well as the rate of gravitational acceleration.

only its speed at the time it begins falling.

its mass and its speed at the time it begins falling.

Which of the following scenarios correctly demonstrates the transformation of mass into energy as given by Einstein's equation, E = mc 2 ?

When hydrogen is fused into helium, whether in the Sun or in a nuclear bomb, the mass difference is turned into energy.

A burning piece of wood produces light and heat, therefore giving off radiative and thermal energy.

When you boil a pot of water, it has a high heat content, or thermal energy.

An object accelerated to a great speed has a lot of kinetic energy.

A mass raised to a great height has a lot of gravitational potential energy.

The ultimate source of energy that powers the Sun is

mass energy of hydrogen fusing into helium.

gravitational potential energy of the contraction of the gas cloud that formed the Sun.

thermal energy of the hydrogen atoms in the Sun.

kinetic energy of the orbital motion of the Sun.

chemical potential energy of hydrogen burning into helium.

Which of the following statements correctly describes the law of conservation of energy ?

The total quantity of energy in the universe never changes.

The fact that you can fuse hydrogen into helium to produce energy means that helium can be turned into hydrogen to produce energy.

An object always has the same amount of energy.

It is not really possible for an object to gain or lose potential energy, because energy cannot be destroyed.

Energy can change between many different forms, such as potential, kinetic, and thermal, but it is ultimately destroyed.

Where does the energy come from that your body uses to keep you alive?

It comes from the foods you eat.

It is produced from the radiative energy of the Sun on your skin.

It is created during the time that you rest or sleep.

It comes from the water you drink.

It is in the air that you breathe.

When a rock is held above the ground, we say it has some potential energy . When we let it go, it falls and we say the potential energy is converted to kinetic energy . Finally, the rock hits the ground. What has happened to the energy?

The energy goes to producing sound and to heating the ground, rock, and surrounding air.

The rock keeps the energy inside it (saving it for later use).

It is transformed back into gravitational potential energy.

It is lost forever. Energy does not have to be conserved.

The energy goes into the ground and, as a result, the orbit of the earth about the Sun is slightly changed.

Of the temperature ranges below, which range represents the smallest range of actual temperature?

They all represent the same change in temperature.

Which object has the most kinetic energy?

a 2 - ton truck moving 90 km/hr

a 4 - ton truck moving 50 km/hr

a 3 - ton truck moving 70 km/hr

a 1 - ton truck moving 110 km/hr

A, B, C, and D all have the same kinetic energy.

According to the universal law of gravitation , the force due to gravity is

inversely proportional to the square of the distance between objects.

inversely proportional to the distance between objects

directly proportional to the distance between objects.

directly proportional to the square of the distance between objects.

not dependent on the distance between objects.

According to what we now know from Newton's laws, which of the following best explains why Kepler's second law is true?

A planet's angular momentum must be conserved as it moves around its orbit.

This effect happens because of the influence of other planets on a particular planet's orbit.

Orbits must be elliptical in shape

Gravity is an inverse cube law.

The center of mass of a binary star system is

the balance point of the system, around which the two objects would revolve.

the point halfway in between them.

the center of the least massive of the two stars.

the center of the most massive of the two stars.

the average mass of the two stars.

The mass of Jupiter can be calculated by

measuring the orbital period and distance of one of Jupiter's moons.

measuring the orbital period and distance of Jupiter's orbit around the Sun.

knowing the Sun's mass and measuring how Jupiter's speed changes during its elliptical orbit around the Sun.

measuring the orbital speed of one of Jupiter's moons.

knowing the Sun's mass and measuring the average distance of Jupiter from the Sun.

Solar Systm REVIEW Test #2

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Solar Systm REVIEW Test #2

73 questions

Which of the following is an example in which you are traveling at constant speed but not at constant velocity?

Standing on the surface of the Earth you drop a rock down a well and it falls for 5 seconds before hitting the bottom. How fast is it moving when it hits the bottom of the well? Neglect air resistance.

Momentum is defined as

If an object's velocity is doubled, its momentum is

As long as an object is not gaining or losing mass, a net force on the object will cause a change in

If your mass is 60 kg on Earth, what would your mass be on the Moon?

In which of the following cases would you feel weightless?

What would happen if the Space Shuttle were launched with a speed greater than Earth's escape velocity?

Speed and velocity are the same thing.

The acceleration of gravity on Earth is approximately 10 m/s² (more precisely, 9.8 m/s²). If you drop a rock from a tall building, about how fast will it be falling after 3 seconds?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

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Solar Systm REVIEW Test #2

73 questions

Which of the following is an example in which you are traveling at constant speed but not at constant velocity?

Standing on the surface of the Earth you drop a rock down a well and it falls for 5 seconds before hitting the bottom. How fast is it moving when it hits the bottom of the well? Neglect air resistance.

Momentum is defined as

If an object's velocity is doubled, its momentum is﻿

As long as an object is not gaining or losing mass, a net force on the object will cause a change in

If your mass is 60 kg on Earth, what would your mass be on the Moon?

In which of the following cases would you feel weightless?

What would happen if the Space Shuttle were launched with a speed greater than Earth's escape velocity?

Speed and velocity are the same thing.

The acceleration of gravity on Earth is approximately 10 m/s2 (more precisely, 9.8 m/s2). If you drop a rock from a tall building, about how fast will it be falling after 3 seconds?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

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If an object's velocity is doubled, its momentum is

The acceleration of gravity on Earth is approximately 10 m/s² (more precisely, 9.8 m/s²). If you drop a rock from a tall building, about how fast will it be falling after 3 seconds?