A small table weighing 40 N stands on four legs, each having an area of 0.001 m^2 . What is the pressure of the table on the floor?
10000 N/m^2
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15
state the equation used to calculate pressure.
Pressure = force / area
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another name for air resistance
drag
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15
What is the mass of a 67kg man on the moon?
67 kg
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15
Describe the graph of Force against extension.
The graph of force against extension is a straight line.
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15
On which surface should the block be laid to produce the largest pressure on the table?
C
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15
How has the change affected the force on the floor, and the pressure exerted by the briefcase on the floor?
A. force - unchanged, pressure - decreased
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15
A person walking through snow sinks into it.The person makes a change so that the does not sink the next time he goes out. What did he do?
Wear shoes with a much larger area on the bottom to increase the area of contact with the snow.
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15
The table gives four combinations of the force applied to a surface area and the area over which it acts. Which row gives the smallest pressure exerted on the surface?
B
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15
The table gives four combinations of the force applied to a surface area and the area over which it acts. Which row gives the largest pressure exerted on the surface?
C
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15
A woman is on contact with the floor. In which of these poses does she produce the most pressure on the floor?
D
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15
If an object's surface area is smaller does it create more or less pressure?
