Q.1) The crane arm is pinned at point A and has a mass of 200 kg whose weight is acting at a point 2 m to the right of point A. The mass of the block is 800 kg. If the crane is in equilibrium, find (a) the magnitude of the force exerted on the arm by the hydraulic cylinder BC, (b) the support reactions at point A.
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Physics, 21.06.2019 16:30
When a neutrally charged atom loses an electron to another atom, the result is the creation of a. two charged atoms. b. two negatively charged atoms. c. two positively charged atoms. d. two neutrally charged atoms.
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Physics, 21.06.2019 22:30
The law of conservation of energy states that energy cannot be created or , energy can be from one substance to another. the first blank is ' destroyed ' and for the second blank is ' transferred '
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Physics, 22.06.2019 19:30
A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?
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Q.1) The crane arm is pinned at point A and has a mass of 200 kg whose weight is acting at a point 2...
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