A crane slowly lifts a 140-kg crate a vertical distance of 12.0 m. 1) How much work does the crane do on the crate? (Express your answer to two significant figures.) kJ Submit
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Q: 3. A horizontal force of 5.0 N is used to push a box up a ramp 5.0 m long that is at an angle of 15°…
A: Answer: Given, Horizontal force, F=5N Length of ramp, d=5m Angle above the horizontal, theta = 15°…
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Q: 7.) Estimate the work you do to mow a lawn 10 m by 20 m with a 50-cm-wide mower. Assume you push…
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A: mass m= 4kg Height h= 2m accleration due to gravity g= 9.8m/s^2
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Q: 1. Draw a situation where a force is doing zero work. Explain why the force is doing no work,…
A: To explain a situation where work done by a force is zero.
Q: the work in mks units done by the force
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Q: ) How much work do you do if you carry a 100 N backpack up a flight of stairs with a height of 5 m?…
A: FORCE=100n DISPLACEMENT=5M work done by you=(force)(displacement)=100 X 5m=500J (ANSWER)
Q: 11.) A 65.0-kg file cabinet of is sliding down a rough ramp for a distance of 5.00 m as shown. The…
A: Given Data: Cabinet Mass, m=65 kg Ramp distance, d=5 m Friction, f=75 N Inclination angle is 15°…
Q: 65.0-kg file cabinet of is sliding down a rough ramp for a distance of 5.00 m as shown. The friction…
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Q: A boy is pulling his sister in a wagon. He exerts a force of 40.5 N at an angle of 30 degrees. 1)…
A: Force (F) = 40.5 NAngle (θ) = 30°Displacement (d) = 29.5 mRequired:Work done
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