Sebastian has drawn a free-body diagram for a ladder of mass m leaning against a frictionless wall. His diagram is shown below. What is his error?
?
?
a.
is in the wrong direction.
b.
c
Physics & Space Science
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A) velocities. B) intensities. C) polarities. D) frequencies. E) none of the above
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a. Air b. A newspaper c. A rug d. An aluminum saucepan
Physics & Space Science
A star that is 70 percent the mass of our Sun would have a habitable zone that:
A. includes Jupiter and its moons B. includes Venus but not the Earth C. includes both Jupiter and Saturn and their moons D. includes Mars but not the Earth E. includes both Mars and the Earth
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