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4. A (blue) platform of mass M = 500 kg and length L = 5 m is attached to a wall at its left-end and is supported, via tension at an angle = 30°, by a steel rod on its right-end. Its center-of-mass is located L/3 from the right. There is a box of mass m = 30 kg located at a distance a from the wall that rests on the platform. Wall X m M, L Steel Rod 0 L/3 The wall exerts both a rightward and upward force on the left-side of the platform. For all possible values of x between 0 and L, the system of the box and the platform are in static equilibrium. and a Young's modulus is (a) What are the maximum and minimum values for the magnitude of the steel's tension force? (b) What are the maximum and minimum values for the magnitude of the wall's total force on the platform? (c) The steel rod has a cross-sectional area of A 10-3 m² E 200 x 10° N/m². What are the minimum and maximum values of strain on the steel rod?

4. A (blue) platform of mass M = 500 kg and length L = 5 m is attached to a wall at its left-end and is supported, via tension at an angle = 30°, by a steel rod on its right-end. Its center-of-mass is located L/3 from the right. There is a box of mass m = 30 kg located at a distance a from the wall that rests on the platform. Wall X m M, L Steel Rod 0 L/3 The wall exerts both a rightward and upward force on the left-side of the platform. For all possible values of x between 0 and L, the system of the box and the platform are in static equilibrium. and a Young's modulus is (a) What are the maximum and minimum values for the magnitude of the steel's tension force? (b) What are the maximum and minimum values for the magnitude of the wall's total force on the platform? (c) The steel rod has a cross-sectional area of A 10-3 m² E 200 x 10° N/m². What are the minimum and maximum values of strain on the steel rod?

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4. A (blue) platform of mass M = 500 kg and length L = 5 m is attached to a wall at its left-end and is supported, via tension at an angle 0 = 30°, by a steel rod on its right-end. Its center-of-mass is located L/3 from the right. There is a box of mass m = 30 kg located at a distance x from the wall that rests on the platform. Wall x m M, L Steel Rod 0 L/3 The wall exerts both a rightward and upward force on the left-side of the platform. For all possible values of x between 0 and L, the system of the box and the platform are in static equilibrium. and a Young's modulus is (a) What are the maximum and minimum values for the magnitude of the steel's tension force? (b) What are the maximum and minimum values for the magnitude of the wall's total force on the platform? (c) The steel rod has a cross-sectional area of A = 10-³ m² E = 200 × 10⁰ N/m². What are the minimum and maximum values of strain on the steel rod?
Transcribed Image Text:4. A (blue) platform of mass M = 500 kg and length L = 5 m is attached to a wall at its left-end and is supported, via tension at an angle 0 = 30°, by a steel rod on its right-end. Its center-of-mass is located L/3 from the right. There is a box of mass m = 30 kg located at a distance x from the wall that rests on the platform. Wall x m M, L Steel Rod 0 L/3 The wall exerts both a rightward and upward force on the left-side of the platform. For all possible values of x between 0 and L, the system of the box and the platform are in static equilibrium. and a Young's modulus is (a) What are the maximum and minimum values for the magnitude of the steel's tension force? (b) What are the maximum and minimum values for the magnitude of the wall's total force on the platform? (c) The steel rod has a cross-sectional area of A = 10-³ m² E = 200 × 10⁰ N/m². What are the minimum and maximum values of strain on the steel rod?
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