6. Which is the best example of gravity?A. A car hits a tree, and its motion stops.B. A breeze blows, and a sailboat moves.C. A person drops a ball, and it fall to the ground.D. A book is pushed, and it moves across the table.7. Where is the gravitational force directed as you stand on the floor?A. backwardB. downwardC. forwardD. upward8. How distance between two objects affects the pull of gravity?A. The lesser the distance, the lesser the gravitational pullbetween them.B. The greater the distance, the lesser the gravitational pullbetween them.C. The greater the distance, the greater the gravitational pullbetween them.D. None of these, the gravitational pull between them dependson their weights.9. A baseball and a sheet of paper are dropped at the same time fromthe same height. What will occur if there is no air resistance?A. The baseball will land first.B. The paper will float slowly through the air.C. The baseball will float slowly through the air.D. The baseball and the paper will land at the same time.10. Why did a ball thrown to the air fall back to the ground?A. Gravity caused the ball to fall.B. Air caused the ball to fall on the ground.C. Acceleration caused the ball to move fast.D. The weight of the ball made it move faster. 1. Which of the following shows the presence of friction?A. cars continuously roll down hillsB. things fall off on smooth surfacesC. people stay in place as they moveD. cars stop when the driver steps on the brakes2. Which surface will produce the least amount of friction?A. fuzzy soccer fieldB. grassy soccer fieldC. gravel running trackD. smooth glass tabletop3. The boat sailing on the sea slows down. What kind of friction isacting on it?A. Fluid frictionB. Rolling frictionC. Sliding frictionD. Static friction4. Why is it easy to slip when there is water on a smooth floor?A. The water increases the friction between your feetfloor.and theB. The friction between your feet and the floor changes fromkinetic to static friction.C. The water is a lubricant and reduces the friction betweenyour feet and the floor.D. The friction between your feet and the floor changes fromsliding kinetic friction to rolling kinetic friction.5. Which of the following statements best describes friction?A. It is a force that occurs between solids.B. It is a force that occurs only on rough surfaces.C. It is a force that occurs between solids and liquids.D. It is a force that occurs when surfaces touch each other.

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Description: 6. Which is the best example of gravity?A. A car hits a tree, and its motion stops.B. A breeze blows, and a sailboat moves.C. A person drops a ball, and it fall to the ground.D. A book is pushed, and it moves across the table.7. Where is the gravita

To determine: The correct option.

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C. forward D. upward 8. How distance between two objects affects the pull of gravity? A. The lesser the distance, the lesser the gravitational pull between them. B. The greater the distance, the lesser the gravitational pull between them. C. The greater the distance, the greater the gravitational pull between them. D. None of these, the gravitational pull between them depends on their weights. 9. A baseball and a sheet of paper are dropped at the same time from the same height. What will occur if there is no air resistance? A. The baseball will land first. B. The paper will float slowly through the air. C. The baseball will float slowly through the air. D. The baseball and the paper will land at the same time. 10. Why did a ball thrown to the air fall back to the ground? A. Gravity caused the ball to fall. Air oougod the ball to fall on the ground

C. forward D. upward 8. How distance between two objects affects the pull of gravity? A. The lesser the distance, the lesser the gravitational pull between them. B. The greater the distance, the lesser the gravitational pull between them. C. The greater the distance, the greater the gravitational pull between them. D. None of these, the gravitational pull between them depends on their weights. 9. A baseball and a sheet of paper are dropped at the same time from the same height. What will occur if there is no air resistance? A. The baseball will land first. B. The paper will float slowly through the air. C. The baseball will float slowly through the air. D. The baseball and the paper will land at the same time. 10. Why did a ball thrown to the air fall back to the ground? A. Gravity caused the ball to fall. Air oougod the ball to fall on the ground

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter4: Newton's Laws Of Motion

Section: Chapter Questions

Problem 27P: A horse is harnessed to a sled having a mass of 236 kg, including supplies. The horse must exert a...

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