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Gravitational Review. 1. Gravity is continuously applied to an object, causing it to accelerate. After a period of time, however, the object stops accelerating. What conclusion can be drawn? a.The mass of the object has increased. b.Gravity on the object has increased.

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Gravitational Review

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Gravitational review

Gravitational Review


Gravitational review

1. Gravity is continuously applied to an object, causing it to accelerate. After a period of time, however, the object stops accelerating. What conclusion can be drawn?

  • a.The mass of the object has increased.

  • b.Gravity on the object has increased.

  • c.The object reached terminal velocity.

  • d.The momentum of the object has reached a maximum.


Gravitational review

2. Of the following, the greatest gravitational force would occur between

  • a.a marble and a baseball 5 meters apart.

  • b.a loaded freighter on the high seas and Earth.

  • c.the moon and an astronaut standing on the moon.

  • d.the moon and Earth.


Gravitational review

  • 3.Which of the following equations is correctly showing the relationship between mass, weight and gravitational force?

  • a.w = mgc.w = g/m

  • b.w = m/gd.w = g + m


Gravitational review

  • 4. When gravitational forces and air resistance equalize on an object that is falling toward Earth and the object stops accelerating, what is the velocity of an object called?

  • a.resultant velocity

  • c.instantaneous velocity

  • b.terminal velocity

  • d.average velocity


Gravitational review

  • 5.In the absence of air resistance, how would the acceleration of a 1.5 kg book and the acceleration of a 15 kg rock differ if the objects were dropped from the same height?

  • a.The book would accelerate twice as fast as the rock.

  • b.The rock would accelerate twice as fast as the book.

  • c.The book would accelerate ten times as fast as the rock.

  • d.They would not differ; they would be the same


Gravitational review

6. What happens immediately after a sky diver opens her parachute?

  • a.Air resistance greatly increases.

  • b.The sky diver is in free fall.

  • c.The sky diver’s speed greatly increases.

  • d.The force of gravity greatly increases.


Gravitational review

  • 7. The gravitational force between two objects depends on masses of objects and

  • a.accelerations of objects.

  • c.speeds of objects.

  • b.distance between objects.

  • d.sizes of objects.


Gravitational review

  • 8. Which of the following objects exerts a gravitational force?

  • a.a bowling ballc.a feather

  • b.a bookd.All of the above


Gravitational review

  • 9. Increasing which of these conditions results in more gravitational force between two objects?

  • a.distancec.mass

  • b.accelerationd.surface area


Gravitational review

  • 10.When an object is in free fall, the only force acting on it is

  • a.gravity.c.inertia.

  • b.friction.d.terminal velocity.


Gravitational review

  • 11. Free-fall acceleration on the moon

  • a.depends on an object’s weight.

  • c.depends on an object’s mass.

  • b.is the same for all objects.

  • d.All of the above.


Gravitational review

  • 12. Orbital motion is a combination of

  • a.mass and friction.

  • c.acceleration and gravity.

  • b.forward motion and free fall.

  • d.weight and vertical velocity.


Gravitational review

  • 13. Which statement about weight is incorrect?

  • a.An object weighs more on the moon than it weighs on Earth.

  • b.A change in an object’s location can change the object’s weight.

  • c.An object’s weight is directly proportional to its mass.

  • d.The weight of an object depends on gravity.


Gravitational review

  • 14. Astronauts “float” when inside an orbiting spaceship because they are

  • a.weightless.

  • c.in free fall.

  • b.in a vacuum.

  • d.outside Earth’s gravity.


Gravitational review

  • 15. When air resistance balances the weight of a falling object, the velocity

  • a.slowly decreases.

  • c.rapidly increases.

  • b.remains constant.

  • d.None of the above


Gravitational review

  • 16. Weight is best described as

  • a.an object’s resistance to acceleration.

  • b.what causes an object to fall.

  • c.the downward force exerted on an object due to gravity.

  • d.a force solely dependent on an object’s mass.


Gravitational review

  • 17.Which of the following units is used to measure acceleration?

  • a.m/s

  • c.m/s2

  • b.m ● s

  • d.m2/s2


Gravitational review

  • 18. Which of the following is true?

  • a.Weight and mass are proportional but not equal.

  • b.Weight is gravitational force an object experiences due to its mass.

  • c.The weight of an object on Earth is greater than the weight of the same object on the moon, but the object’s mass stays the same.

  • d.All of the above


Gravitational review

  • 19. Near Earth’s surface, the strongest gravitational force would occur between an elephant and

  • a.the sun.

  • c.a cat.

  • b.the moon.

  • d.Earth.


Gravitational review

  • 20. When an object travels in a circular or nearly circular path around another object, the object is said to be in

  • a.a circle.

  • c.orbit.

  • b.free fall.

  • d.collision.


Gravitational review

  • 21. When completing the Orbital Motion Lab, you found that

  • a.Objects with larger orbits travel at a faster speed than objects with smaller orbits.

  • b.Objects with larger orbits travel at a slower speed than objects with smaller orbits.

  • c.Objects with larger orbits travel the same speed as objects with smaller orbits.

  • d.None of the above.


Gravitational review1

Gravitational Review


Gravitational review

1. Gravity is continuously applied to an object, causing it to accelerate. After a period of time, however, the object stops accelerating. What conclusion can be drawn?

  • a.The mass of the object has increased.

  • b.Gravity on the object has increased.

  • c.The object reached terminal velocity.

  • d.The momentum of the object has reached a maximum.


Gravitational review

2. Of the following, the greatest gravitational force would occur between

  • a.a marble and a baseball 5 meters apart.

  • b.a loaded freighter on the high seas and Earth.

  • c.the moon and an astronaut standing on the moon.

  • d.the moon and Earth.


Gravitational review

  • 3.Which of the following equations is correctly showing the relationship between mass, weight and gravitational force?

  • a.w = mgc.w = g/m

  • b.w = m/gd.w = g + m


Gravitational review

  • 4. When gravitational forces and air resistance equalize on an object that is falling toward Earth and the object stops accelerating, what is the velocity of an object called?

  • a.resultant velocity

  • c.instantaneous velocity

  • b.terminal velocity

  • d.average velocity


Gravitational review

  • 5.In the absence of air resistance, how would the acceleration of a 1.5 kg book and the acceleration of a 15 kg rock differ if the objects were dropped from the same height?

  • a.The book would accelerate twice as fast as the rock.

  • b.The rock would accelerate twice as fast as the book.

  • c.The book would accelerate ten times as fast as the rock.

  • d.They would not differ; they would be the same


Gravitational review

6. What happens immediately after a sky diver opens her parachute?

  • a.Air resistance greatly increases.

  • b.The sky diver is in free fall.

  • c.The sky diver’s speed greatly increases.

  • d.The force of gravity greatly increases.


Gravitational review

  • 7. The gravitational force between two objects depends on masses of objects and

  • a.accelerations of objects.

  • c.speeds of objects.

  • b.distance between objects.

  • d.sizes of objects.


Gravitational review

  • 8. Which of the following objects exerts a gravitational force?

  • a.a bowling ballc.a feather

  • b.a bookd.All of the above


Gravitational review

  • 9. Increasing which of these conditions results in more gravitational force between two objects?

  • a.distancec.mass

  • b.accelerationd.surface area


Gravitational review

  • 10.When an object is in free fall, the only force acting on it is

  • a.gravity.c.inertia.

  • b.friction.d.terminal velocity.


Gravitational review

  • 11. Free-fall acceleration on the moon

  • a.depends on an object’s weight.

  • c.depends on an object’s mass.

  • b.is the same for all objects.

  • d.All of the above.


Gravitational review

  • 12. Orbital motion is a combination of

  • a.mass and friction.

  • c.acceleration and gravity.

  • b.forward motion and free fall.

  • d.weight and vertical velocity.


Gravitational review

  • 13. Which statement about weight is incorrect?

  • a.An object weighs more on the moon than it weighs on Earth.

  • b.A change in an object’s location can change the object’s weight.

  • c.An object’s weight is directly proportional to its mass.

  • d.The weight of an object depends on gravity.


Gravitational review

  • 14. Astronauts “float” when inside an orbiting spaceship because they are

  • a.weightless.

  • c.in free fall.

  • b.in a vacuum.

  • d.outside Earth’s gravity.


Gravitational review

  • 15. When air resistance balances the weight of a falling object, the velocity

  • a.slowly decreases.

  • c.rapidly increases.

  • b.remains constant.

  • d.None of the above


Gravitational review

  • 16. Weight is best described as

  • a.an object’s resistance to acceleration.

  • b.what causes an object to fall.

  • c.the downward force exerted on an object due to gravity.

  • d.a force solely dependent on an object’s mass.


Gravitational review

  • 17.Which of the following units is used to measure acceleration?

  • a.m/s

  • c.m/s2

  • b.m ● s

  • d.m2/s2


Gravitational review

  • 18. Which of the following is true?

  • a.Weight and mass are proportional but not equal.

  • b.Weight is gravitational force an object experiences due to its mass.

  • c.The weight of an object on Earth is greater than the weight of the same object on the moon, but the object’s mass stays the same.

  • d.All of the above


Gravitational review

  • 19. Near Earth’s surface, the strongest gravitational force would occur between an elephant and

  • a.the sun.

  • c.a cat.

  • b.the moon.

  • d.Earth.


Gravitational review

  • 20. When an object travels in a circular or nearly circular path around another object, the object is said to be in

  • a.a circle.

  • c.orbit.

  • b.free fall.

  • d.collision.


Gravitational review

  • 21. When completing the Orbital Motion Lab, you found that

  • a.Objects with larger orbits travel at a faster speed than objects with smaller orbits.

  • b.Objects with larger orbits travel at a slower speed than objects with smaller orbits.

  • c.Objects with larger orbits travel the same speed as objects with smaller orbits.

  • d.None of the above.


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