Application of pressure in solids practice exercise 3

A school laboratory wants to install heavy shelves on a vinyl floor. What should they do to prevent the shelves from damaging the floor?  (2marks)

A school laboratory wants to install heavy shelves on a vinyl floor. What should they do to prevent the shelves from damaging the floor?  (2marks)

A chef needs to cut ripe tomatoes without squashing them. Suggest the type of knife they should use and explain why.  (1mark)

A chef needs to cut ripe tomatoes without squashing them. Suggest the type of knife they should use and explain why.  (1mark)

A chef needs to cut ripe tomatoes without squashing them. Suggest the type of knife they should use and explain why.  (1 mark)

A farmer is using the wheelbarrow shown in the image below to carry manure across soft soil. Explain why the wide wheels make it easier to push.  (1mark)

A farmer is using the wheelbarrow shown in the image below to carry manure across soft soil. Explain why the wide wheels make it easier to push.  (1mark)

A farmer is using the wheelbarrow shown in the image below to carry manure across soft soil. Explain why the wide wheels make it easier to push.  (1mark)

A food processing company wants to design a vegetable cutter that slices hard vegetables with less effort. What blade characteristic should they focus on and why?  (1mark)

A food processing company wants to design a vegetable cutter that slices hard vegetables with less effort. What blade characteristic should they focus on and why?  (1mark)

A food processing company wants to design a vegetable cutter that slices hard vegetables with less effort. What blade characteristic should they focus on and why?  (1 mark)

A gas company in Nairobi notices that the stands holding their gas cylinders on the truck bed are damaging the floor. Suggest a practical solution and explain how it applies the concept of pressure in solids.  (2marks)

A gas company in Nairobi notices that the stands holding their gas cylinders on the truck bed are damaging the floor. Suggest a practical solution and explain how it applies the concept of pressure in solids.  (2marks)

A villager is carrying a bucket of water on her head using no support. Suggest a way to make it more comfortable.  (1mark)

A villager is carrying a bucket of water on her head using no support. Suggest a way to make it more comfortable.  (1mark)

A villager is carrying a bucket of water on her head using no support. Suggest a way to make it more comfortable.  (1 mark)

A woman is walking across a soft lawn in high heels and keeps sinking. What can she do to prevent sinking?  (1mark)

A woman is walking across a soft lawn in high heels and keeps sinking. What can she do to prevent sinking?  (1mark)

A woman is walking across a soft lawn in high heels and keeps sinking. What can she do to prevent sinking?  (1 mark)

A worker is pushing a loaded wheelbarrow on soft ground and it keeps sinking. What can be done to reduce the sinking? (1mark)

A worker is pushing a loaded wheelbarrow on soft ground and it keeps sinking. What can be done to reduce the sinking? (1mark)

A worker is pushing a loaded wheelbarrow on soft ground and it keeps sinking. What can be done to reduce the sinking? (1 mark)

Explain how the roller in the image below applies the concept of pressure in solids to make the road surface smooth. (2marks)

Explain how the roller in the image below applies the concept of pressure in solids to make the road surface smooth. (2marks)

Explain how the roller in the image below applies the concept of pressure in solids to make the road surface smooth. (2marks)

A farmer is transporting sacks of fertilizer on a wheelbarrow over wet soil, but the wheel keeps sinking. Suggest a modification and explain how it would help.  (2marks)

A farmer is transporting sacks of fertilizer on a wheelbarrow over wet soil, but the wheel keeps sinking. Suggest a modification and explain how it would help.  (2marks)

A farmer is transporting sacks of fertilizer on a wheelbarrow over wet soil, but the wheel keeps sinking. Suggest a modification and explain how it would help.  (2 marks)