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Unformatted text preview: ™s Second Law â€¢â€¯ g is the accelera2on due to gravity Assume you are on planet X that its mass and radius are twice of Earthâ€™s mass and radius. What is the gravita2onal accelera2on gX on planet X? 1.â€¯
2.â€¯
3.â€¯
4.â€¯ 2 4.9 m/s 2 9.8 m/s 2 19.6 m/s 2 2.5 m/s 35%
29% 31% 5% 1. 2. 3. 4. Newtonâ€™s Third Law â€¢â€¯ If object 1 and object 2 interact, the force exerted by object 1 on object 2 is equal in magnitude but opposite in direc2on to the force exerted by object 2 on object 1. â€¢â€¯ F12 may be called the ac(on force and F21 the reac(on force â€“â€¯ Actually, either force can be the ac2on or the reac2on force â€¢â€¯ The ac2on and reac2on forces act on diï¬€erent objects Some Ac2on Reac2on Pairs â€¢â€¯ â€“â€¯ is the normal force, the force the table exerts on the TV â€“â€¯ is always perpendicular to the surface â€“â€¯ is the reac2on â€“ the TV on the table â€“â€¯ More Ac2on Reac2on pairs â€¢â€¯ â€“â€¯ is the force the Earth exerts on the object â€“â€¯ is the force the object exerts on the earth â€“â€¯ Forces Ac2ng on an Object â€¢â€¯ Newtonâ€™s Law uses...
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This document was uploaded on 01/14/2014.
 Winter '14
 Force, Mass

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