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1. Use basic laws of physics to explain the following situations: a. Spiderweb has a greater tensile...

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Physics

1. Use basic laws of physics to explain the followingsituations:

a. Spiderweb has a greater tensile strength than steel, yet youcan snap a spider web very easily with your hand. Explain why thisis so.

b. Use Bernoulli's Principle to explain how the shape of anairplane wing creates a \"lift force.\"

c. Why is it easier to sew with a sharp needle than it is to sewwith a dull one?

d. Describe how the speedometer of your car is able to tell howfast the car is going.

Answer & Explanation Solved by verified expert
3.8 Ratings (743 Votes)
a We know that tensile strength is maximum force we can apply per unit cross sectional area ie FmaxA We know that Spiderweb has a greater tensile strength than steel yet you can snap a spider web very easily with your hand    See Answer
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