College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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At the surface of a certain planet, the gravitational acceleration g has a magnitude of 17.0 m/s^2 . A 26.0-kg brass ball is transported to this planet.
- What is the mass of the brass ball on the Earth and on the planet?
- What is the weight of the brass ball on the Earth and on the planet?
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- You are standing on a bathroom scale in an elevator (yes people are staring at you). You weigh 50 kg but the scale reads in Newtons. Weight (force of Gravity) = Mass x Gravity (10m/s2) As the elevator comes up on the ground floor it decelerates at 2 m/s2 downward. What is the Gravitational Force? Since the elevator is decelerating downward does the Normal Force have to be greater than, equal to or less than the Force of Gravity? Are the forces balanced or unbalanced? Draw a free body diagram of the forces acting on you. Be sure to draw the size of your arrows appropriately. What is the Net Force, using Newton’s 2nd Law, while the elevator is decelerating downward? What is the Normal Force? What does the scale read as the elevator is decelerating downward? What pattern did you notice occurred between all of the different scenarios?arrow_forwardThe gravitational acceleration on the moon is 1.625 m/s² . What would the weight be of an average human man (70 kg) on the moon in Newtons? 113.75 N 43.08 N 9.8 N 1.625 N 70 N 686 N ONarrow_forwardA 1.16 kg book in space has a weight of 4.52 N. What is the value of gravitational field at that location? Answer in units of N/kg.arrow_forward
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