Answer:
False
Explanation:
Not all liquids have the same density. We know for example that oil float on the water surface because it has less density than the water.
Answer:
The answer is B
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Explanation:
Answer:
<em>The maximum magnitude of their resultant is 14 units, and the minimum is 2 units</em>
Explanation:
<u>Resultant Vectors</u>
When two or more vectors are added or subtracted, the resultant vector can be found by considering their magnitudes and directions.
Two vectors applied to the same point can produce a result that can vary from being completely collaborative or completely opposite.
If two vectors act in a collaborative form, their magnitudes are added and the result has the maximum possible magnitude. If they act in opposite directions, the result has the minimum possible magnitude.
Thus, being 6 and 8 units the magnitudes of the vectors, the maximum magnitude of their resultant is 14 units, and the minimum is 2 units.
Answer:
(a) Force must be grater than 283.87 N
(B) Force will be equal to 193.945 N
Explanation:
We have given mass of the crate m = 49.6 kg
Acceleration due to gravity 
Coefficient of static friction 
Coefficient of kinetic friction 
(a) Static friction force is given by 
So to just start the crate moving we have to apply more force than 283.87 N
(B) This force will be equal to kinetic friction force
We know that kinetic friction force is given by 
I think it is B Because it sounds like the best choice
