Physics For Scientists and Engineers
4th Edition
ISBN: 9780134391786
Author: Randall D. Knight
Publisher: PEARSON
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Chapter 13, Problem 36EAP
What are the magnitude and direction of the net gravitational force on the 20.0 kg mass in FIGURE P 13.36?
FIGURE P13.36
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Chapter 13 Solutions
Physics For Scientists and Engineers
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- (a) Compute the vector gravitational field at a point P on the perpendicular bisector of the line joining two objects of equal mass separated by a distance 2a as shown in Figure P13.6. (b) Explain physically why the field should approach zero as r 0. (c) Prove mathematically that the answer to part (a) behaves in this way. (d) Explain physically why the magnitude of the field should approach 2GM/r2 as r . (e) Prove mathematically that the answer to part (a) behaves correctly in this limit. Figure P13.6arrow_forwardIn your own words, describe the difference between the terms gravitational force and gravitational field.arrow_forwardAn object is being weighed using an unequal-arm balance (Fig. P14.76). When the object is in the left pan, a downward force of 3.0 N must be exerted on the right pan to balance the gravitational force on the object. When the object is in the right pan, a downward force of 2.0 N must be exerted on the left pan to balance the gravitational force on the object. Determine the magnitude of the gravitational force on the object. FIGURE P14.76arrow_forward
- Saturns ring system forms a relatively thin, circular disk in the equatorial plane of the planet. The inner radius of the ring system is approximately 92,000 km from the center of the planet, and the outer edge is about 137,000 km from the center of the planet. The mass of Saturn itself is 5.68 1026 kg. a. What is the period of a particle in the outer edge compared with the period of a particle in the inner edge? b. How long does it take a particle in the inner edge to move once around Saturn? c. While this inner-edge particle is completing one orbit abound Saturn, how far around Saturn does a particle on the outer edge move?arrow_forwardSuppose the gravitational acceleration at the surface of a certain moon A of Jupiter is 2 m/s2. Moon B has twice the mass and twice the radius of moon A. What is the gravitational acceleration at its surface? Neglect the gravitational acceleration due to Jupiter, (a) 8 m/s2 (b) 4 m/s2 (c) 2 m/s2 (d) 1 m/s2 (e) 0.5 m/s2arrow_forward(a) Compute the vector gravitational field at a point P on the perpendicular bisector of the line joining two objects of equal mass separated by a distance 2a as shown in Figure P13.6. (b) Explain physically why the field should approach zer as r → 0 (c) Prove mathematically that the answer to part (a) behaves in this way. (d) Explain physically why the magnitude of the field should approach 2GM/r2 as r → ∞. (e) Prove mathematically that the answer to part (a) behaves correctly in this limit FigureP13.6arrow_forward
- Three uniform spheres of masses m1 = 2.00 kg, m2 = 4.00 kg, and m3 = 6.00 kg are placed at the corners of a right triangle as shown in Figure P13.6. Calculate the resultant gravitational force on the object of mass m2 , assuming the spheres are isolated from the rest of the Universe.arrow_forwardA certain spherical planet is made up of two types of material: in the inner core (from the center to radius r = 2R), the mass density is p1; in the outer core (r = 2R to r= 5R), the mass density is p2 = 1/2 p1. Using Gauss’s law, determine the gravitational field at r = 3R in terms of the variables provided.arrow_forwardWhat is the gravitational field strength of the Earth 55300 meters from the surface of the Earth?arrow_forward
- Consider a spherical shell constructed from a material of density 6.1 x 103 kg/m3. The inner radius of the shell is 4.9 x 106 m from the center, and the outer radius of the shell is 9.2 x 106 m from the center. Calculate the magnitude of the gravitational field 13.1 x 106 m from the center of the shell, in N/kg. Use G = 6.7 x 10-11 N m2 / kg2. (Please answer to the fourth decimal place - i.e 14.3225)arrow_forwardIf you were to create a giant tunnel through the middle of the Earth, where would you be so that the force of attraction between you and the earth be the smallest? A) Center of the earth B) 10 miles above the surface of the Earth C) 10 miles below the surface of the Earth D) Surface of the Eartharrow_forwardPlanet X has a radius of 6.00×10^7 m and an unknown mass. When a woman of mass 65.0 kg weighs herself on a platform which is a distance of 1.50×10^7 m above the surface of this planet, the scale reads 1200 N. a) What is the mass of Planet X? b) What is the gravitational field (g value) on the surface of planet x?arrow_forward
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