gravity: a force of attraction chapter 1 section 4 review
TRANSCRIPT
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Gravity: A Force of Attraction
Chapter 1 Section 4 Review
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1. What is gravity?•A. a measure of the gravitational force
exerted on an object•B. a measure of the amount of matter
in an object•C. a force of attraction between
objects due to their masses and the distance between the objects•D. a dance club
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ANSWER: Gravity is…
•C. a force of attraction between objects due to their masses and the distance between the objects
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2. What is weight?•A. a measure of the gravitational force
exerted on an object•B. a measure of the amount of matter
in an object•C. a force of attraction between
objects due to their masses and the distance between the objects•D. Something you do at a bus stop
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ANSWER: Weight is…
•A. a measure of the gravitational force exerted on an object
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3. What is mass?• A. a measure of the gravitational
force exerted on an object• B. a measure of the amount of matter
in an object• C. a force of attraction between
objects due to their masses and the distance between the objects• D. Something you attend on Sundays
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ANSWER: Mass is…
•B. a measure of the amount of matter in an object
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4. If Earth’s mass doubled without changing size, your weight would…
• a. increase because gravitational force increases• b. decrease because gravitational force
increases• c. increase because gravitational force
decreases• d. not change because you are still on
Earth
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Answer
•a. increase because gravitational force increases
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5. All matter has mass,
• a. but objects with small masses are unaffected by gravity•b. and all mass is affected by gravity• c. but only the Earth’s gravity affects
matter•d. but only the Earth’s and the sun’s
gravity affects matter
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ANSWER
•b. and all mass is affected by gravity
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6. The greater an object’s mass…
• a. the larger the gravitational force it exerts on other objects•b. the smaller the gravitational
force it exerts on other objects• c. the more surface tension
there is•d. the less friction it will
produce
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ANSWER
•a. the larger the gravitational force it exerts on other objects
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7. The force of gravity… • a. is not related to the mass of
the objects•b. is only related to the mass
of large objects• c. is related to the weight of
the objects•d. is related to the mass of the
objects
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ANSWER
•d. is related to the mass of the objects
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8. Mass is measured in…
•a. grams•b. kilograms•c. milligrams•d. all of the above
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ANSWER: Mass is measured in
•d. all of the above•Grams•Kilograms•Milligrams
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9. Weight is measured in…
•a. grams•b. ounces•c. Newtons•d. pounds
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ANSWER: Weight is measured in…•c. Newtons
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10. As the distance between two objects increases, the force of gravity…
•a. decreases•b. does not change•c. increases only slightly•d. increases greatly
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ANSWER
•a. decreases
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11. Which of the following does NOT describe mass?
•a. Remains constant•b. Is a measure of matter•c. Is a measure of gravitational force•d. Is measured in kilograms
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ANSWER
•c. Is a measure of gravitational force
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12. Which of the following does NOT describe weight?
• a. Changes as gravitational force changes•b. Is constant everywhere in the
universe• c. Is a measure of gravitational force•d. Can be measured in Newtons
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ANSWER
•b. Is constant everywhere in the universe
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13. If a student has a weight of 360N on Earth, what is the student’s weight on the moon? (Hint: The moon has 1/6 of Earth’s gravity)
•a. 60 Newtons•b. 60 Kilograms•c. 36 Newtons•d. 36 Kilograms
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ANSWER
•a. 60 Newtons
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14. The law of universal gravitation says that gravitational force is…
•a. related to mass and distance•b. related to weight and distance•c. related to mass and friction•d. related to weight and friction
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ANSWER
•a. related to mass and distance
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15. Why are mass and weight often confused?
•a. They are both constant on Earth•b. Gravity makes a difference•c. Mass changes•d. Weight doesn’t change
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ANSWER
• a. They are both constant on Earth
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16. A small apple weighs about…
•a. 10 Newtons•b. 1 pound•c. 200 grams•d. 1 Newton
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ANSWER
•d. 1 Newton
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17. Weight is measured using a...
•a. Balance•b. Spring scale•c. Thermometer•d. Ruler
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ANSWER: Weight is measured using a…•b. Spring scale
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18. Mass is measured using a…
•a. Balance•b. Spring scale•c. Thermometer•d. Ruler
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ANSWER: Mass is measured using a…•a. Balance