8. Centripetal Forces & Gravitation
Acceleration Due to Gravity
8. Centripetal Forces & Gravitation
Acceleration Due to Gravity
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- Multiple Choice
You stand on the surface of a mysterious planet with a mass of 6 ×1024 kg and measure the surface gravity to be 7 m/s2. What must the radius of the planet be?
793views13rank - Multiple Choice
How far would you have to be above Earth's surface for g to be ½ of its surface value?
754views11rank - Multiple ChoiceSuppose the lengths of your upper arm, forearm, and hand are 30 cm, 25 cm, and 15 cm, respectively. Using the information on centers of mass from Figure 7.31, calculate the torque from gravity on your arm (including the hand) when it is outstretched, horizontally.599views1comments