A-LevelPhysicsWork, energy and power9702/12 · Oct/Nov 2024 · Q181 Mark
A barrel of mass 50 kg is loaded onto the back of a lorry 1.6 m high by pushing it up a frictionless plank 3.4 m long. [Figure 18.1] What is the minimum work done?
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A80 J
B170 J
C780 J
D1700 J
✓ Correct answer
C: 780 J
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