Clearly Distinguish Between Pressure and Force in the Case of Weighing

Q16: A completely submerged object always displaces its

Q18: The pressure at the bottom of a

Q19: A bubble of air released from the

Q22: Wind blowing over the top of a

Q58: Compared to the density of a kilogram

Q62: Consider two mercury barometers,one with twice the

Q76: How high can water be theoretically lifted

Q90: What is the approximate mass of a

Q92: The pair of water-filled caissons of the

Q92: Explain why ships of any weight are