A level physics - Mechanics question
A length of string is threaded through a drinking straw. The string is fixed at one end and held at the other so that it is at 30° to the horizontal. A balloon is inflated and attached to the straw. When the balloon is released, the air escapes from the balloon and the balloon and straw start to move up the string.
Calculate the minimum force on the balloon due to the escaping air if the balloon is to move in this way.
mass of straw and balloon = 11 g
Calculate the minimum force on the balloon due to the escaping air if the balloon is to move in this way.
mass of straw and balloon = 11 g
Original post by Thomas_02
A length of string is threaded through a drinking straw. The string is fixed at one end and held at the other so that it is at 30° to the horizontal. A balloon is inflated and attached to the straw. When the balloon is released, the air escapes from the balloon and the balloon and straw start to move up the string.
Calculate the minimum force on the balloon due to the escaping air if the balloon is to move in this way.
mass of straw and balloon = 11 g
Calculate the minimum force on the balloon due to the escaping air if the balloon is to move in this way.
mass of straw and balloon = 11 g
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