Researchers have found that a gecko’s foot iscovered with hundreds of thousands of small hairs (setae) thatallow it to walk up walls and even across ceilings. A single foot pad,which has an area of 1.0 cm2, can attach to a wall or ceiling with aforce of 11 N. (a) How many 250-g geckos could be suspended fromthe ceiling by a single foot pad? (b) Estimate the force per squarecentimeter that your body exerts on the soles of your shoes, andcompare with the 11 N>cm2 of the sticky gecko foot.
Researchers have found that a gecko’s foot iscovered with hundreds of thousands of small hairs (setae) thatallow it to walk up walls and even across ceilings. A single foot pad,which has an area of 1.0 cm2, can attach to a wall or ceiling with aforce of 11 N. (a) How many 250-g geckos could be suspended fromthe ceiling by a single foot pad? (b) Estimate the force per squarecentimeter that your body exerts on the soles of your shoes, andcompare with the 11 N>cm2 of the sticky gecko foot.
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter5: Newton's Law Of Motion
Section: Chapter Questions
Problem 89AP: In building a house, carpenters use nails from a large box. The box is suspended from a spring twice...
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Researchers have found that a gecko’s foot is
covered with hundreds of thousands of small hairs (setae) that
allow it to walk up walls and even across ceilings. A single foot pad,
which has an area of 1.0 cm2, can attach to a wall or ceiling with a
force of 11 N. (a) How many 250-g geckos could be suspended from
the ceiling by a single foot pad? (b) Estimate the force per square
centimeter that your body exerts on the soles of your shoes, and
compare with the 11 N>cm2 of the sticky gecko foot.
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