Three concrete blocks can be stacked in two different ways as shown below. a. Copy and complete

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Three concrete blocks can be stacked in two different ways as shown below.


a.


Copy and complete the paragraph below using a phrase from the boxes above. Each phrase may be used once, more than once or not at all. The force of stack A on the ground is the force of stack B. The pressure on the ground from stack B is _______ the pressure from stack A, because the area in contact with the ground for B is _______ for A.

b. Write down, in words, the equation connecting pressure, force and area.

c. If the weight of stack A is 500 N and the area in contact with the ground is 200 cm2, calculate the pressure on the ground in N/cm2.

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