Explanations & Calculations
- The balloon has an acceleration upwards thus an unbalanced force should be acting along that direction.
- Therefore, applying Newton's second law on the balloon upwards, the (needed) mass of the balloon can be found.
- Identify all the forces acting on the balloon before applying the equation
weight of the ballon downwards: towards the ground
Force generated on the balloon upwards
↑F↑2300N−↓mgm=ma=ma=g+a2300N=9.8+1.12300N=211.009kg
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