PHYSICS 1A03 Quiz: PHYSICS 1A03 Quiz 3
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PHYSICS 1A03 Full Course Notes
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A (huge) spider hangs from a web as shown above. The mass of the spider is 1. 00 kg. The left side web and right side web make angles of. The net force on the spider must be zero since it is stationary. Split the forces into horizontal and vertical components: The scale reading is equal to the force on the scale divided by g. A red box (m = 50 kg) sits on a scale inside an elevator. During the acceleration, the hoisting cable applies a force of 8500. xx n. the combined mass of the scale and elevator is 800 kg. The cable is pulling on the mass of the box, m = 50 kg, and the mass of the scale and elevator, m = 800 kg. First, nd the acceleration of the system (box and elevator): the same acceleration we found above. Now look at the net force of the box: