Answer:
(a) the blocks all had different masses.
Explanation:
The surface is smooth, therefore coefficient of friction is tending to zero.
Forces for each blocks varied from 6N to 8N to 7N to 5N
The blocks were made of different materials and different materials are going to have varying weight for the same size of block.
A compound is two or more elements combinded together.
A element is a pure substance.
it looks like all of them are compounds except the carbon dixode, My teacher would accept that as a anwser idk bout urs thoughs.
The LARGEST group into which an organism is classified?<span>Kingdoms
So your answer would be </span><span>Kingdoms
Hope this help :)</span>
The density of the body and the height or the depth of the body since the formula of liquid pressure is density x height gravity
