1) which factor determines whether an object float or sink. a) shape b) colour c) Temperature of the object d) density compared to liquid 2) if an object's density is less than water's density, it will a) sink b) float 3) adding salt to water will a) increase its density b) lower its density c) not change its density 4) in the dead sea, people can float easily because : a) the water is warmer b) the water is salty and denser than normal c) the air push them up d) they wear life jacket

8.2 Effect of force

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