Example 1 A sack of maize, which weighs 800N, is lifted to a height of 2m. What is work done against gravity? Data given: Force (f) = 800N Height dis…
Read moreExample 1 A fruit fall from a tree because the earth exerts gravitational force on it. The force of gravity on the earth is always equal to the weigh…
Read moreExample 1 A block of wood that weighs 30N and measures 5m by 10m by 4m. If it was placed on a table with the largest possible area (5mx10m) in contac…
Read moreExample 1 The weight of a body when totally immersed in liquid is 4.2N. if the weight of the liquid displaced is 2.5N, find the weight of the body in…
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