Write your solutions in a clear piece of paper and avoid erasures before taking an image.1. A body weighs 20 N on the surface of the Earth. What does it weigh on the surface of the moon?Calculate the gravitational potential energy of the body while it is in the moon's surface.2. The gravitational PE of an object in the Earth's surface is given by,mMgU = -Gderive the expression for the force. Discuss the implication when r → o and r → 0. Show yoursolutions step by step.3. Discuss how the center of gravity and area of support affects the equilibrium state of a movingvehicle in an inclined road.4. (a) Is it possible for an object to be in translational equilibrium(the first condition) but not inrotational equilibrium (the second condition)? Illustrate your answer with a simple example. (b)Can an object be in rotational equilibrium yet not in translational equilibrium? Justify your answerwith a simple example.5. Communications satellite revolves in orbits over the Earth's equator are adjusted so that theirperiod of rotation is the same as the period of rotation of the Earth about its axis. An observerrotating with the Earth thus sees the satellite fixed in the sky. Find the distance of these satellitesabove Earth's surface.6. Bonus question: From your answer in item no.2 and Newton's Laws of motion, what is theacceleration due to gravity at the surface of the Earth? Note that you do not get any points hereif you cannot answer item no.2 correctly.

The weight of a body is also equal to the amount of force acting on a body. Therefore it can also be…

Answered: 1. A body weighs 20 N on the surface of…

1. A body weighs 20 N on the surface of the Earth. What does it weigh on the surface of the moon? Calculate the gravitational potential energy of the body while it is in the moon's surface.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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4. An object of mass m makes a loop-the-loop as shown. When it is upside down at point A, the normal force is found to be 2mg. a) What is the speed of the object at point A in terms of g and R? b) What is the normal force at point B, neglecting any friction of air resistance? Put your answer in terms of m and g. A B
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