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Minimum force to lift a drum over a step (different examples)
Given that the mass of the drum is 20 kg. What is the minimum force, F, required to just movee th drum off the ground? (Assume uniform...
Evan Toh
Dec 1, 20231 min read
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Ball thrown vertically up from building and falls to ground
A rock is thrown vertically upwards with a velocity of 29.4 m/s from the top of a building 78.4 m high. After how long will the rock...
Evan Toh
Dec 1, 20231 min read
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Find atmospheric pressure using 2 scenarios of capillary tube with mercury horizontal and vertical
A uniform capillary tube closed at one end, contained air trapped by a thread of mercury 85 mm long. When the tube was held horizontal,...
Evan Toh
Dec 1, 20231 min read
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Liquid pressure – U-tube manometer question
A U-tube with 30 cm of water is set up vertically and 12 cm of olive oil is poured carefully into the left-hand limb of the tube as shown...
Evan Toh
Dec 1, 20231 min read
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