2. What variables alter the resistive force of bands
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Step 1: The resistive force of a rubber band is the force it exerts when stretched. Show more…
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Angela W.
8. As you increase the force applied to the rubber band, what happens to the length of the rubber band? Propose a mechanism based on these observations to explain how the force is transmitted down the rubber band from force probe 2 to force probe 1. 9. Indicate with arrows on the diagram on the previous page the directions of the forces exerted by the rubber band on force probe 1 and force probe 2. 10. Make loops at both ends of the short piece of string, and replace the rubber band with it. Repeat Step 5. 11. Based on the readings of the two force probes, when you pull on one end of the string, is the force transmitted undiminished down to the other end? Does it matter how long the string is? Explain. 12. Did the string stretch at all when you pulled on it? Can you propose a mechanism for the transmission of the force along the string?
Adi S.
4.2 Write down the independent variable in this experiment. (1) 4.3 Use the graph and write down the conclusion that can be made related to the relationship between the resistance and the thickness of the conductors. (2) 4.4 Use Ohm's law (R = V/I ) and calculate the reading on the voltmeter for resistor A. The reading on the ammeter for this setup was 1,5 A. (3) 4.5 What is the meaning of an ammeter reading of 1,5 A? (2) 4.6 A second conductor with thickness X is now connected in parallel with a conductor (C). This additional conductor in parallel will have one of the following two effects (C1 or C2) on your results. Resistance of a conductor vs. the thickness of a conductor 4.6.1 Which ONE of the two effects (C1 or C2 on the graph) would you consider as more likely? Explain your answer. (2)
Sri K.
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