1) A 10kg box slides down a frictionless, 50cm-high ramp at an angle of 20° = 7/9, starting at the top from rest. A horizontal force pushes against the box. At the bottom of the ramp, the box has a speed of 2. What is the magnitude of the force? Solve using an energy-work approach. Remember what represents in the equation W = FAr cos 0. 50 10 kg 20°-17
1) A 10kg box slides down a frictionless, 50cm-high ramp at an angle of 20° = 7/9, starting at the top from rest. A horizontal force pushes against the box. At the bottom of the ramp, the box has a speed of 2. What is the magnitude of the force? Solve using an energy-work approach. Remember what represents in the equation W = FAr cos 0. 50 10 kg 20°-17
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Transcribed Image Text:1) A 10kg box slides down a frictionless, 50cm-high ramp at an angle of
20° = 7/9, starting at the top from rest. A horizontal force pushes against
the box. At the bottom of the ramp, the box has a speed of 2. What is the
magnitude of the force? Solve using an energy-work approach. Remember
what represents in the equation W = FAr cos 0.
push
50 cm
10 kg
20°-17
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