You have been commissioned to create an ice sculpture for your town\'s winter fe

Question

You have been commissioned to create an ice sculpture for your town's winter festival. Part of the sculpture is to consist of an arch built entirely from blocks of ice. The overall shape of the arch has already been determined, but you need to decide on the shape of the ice blocks used to construct the arch. Based on your knowledge of physics, which design might you use in order for the arch to be as stable as possible? Click the numbered tabs at right to view your options and select your choice. Why is your chosen design the most stable? Select the best explanation O ..perpendicular to the surface between the adjacent blocks Since the ice blocks are slippery the compressive contact forces parallel to the surface between the adjacent blocks between adjacent ice blocks will always be... O nearly horizontal O nearly vertical and for the arch to be stable, these compressive forces... ... must be as horizontal as possible. O .. must be as vertical as possible. .. must have equal vertical and horizontal components. .must be parallel to the arch at each point.

Explanation / Answer

we might select the design 1 as in this design the number of ice block is minimum. So the chances of slippery between the block would be minimum and arch will be in more stable condition coparing to other designs.

perpendicular to the surface

must be horizontal

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