The force that the lift exerts on the mass is equal to 900,000N.
Why?
We can solve the problem by using the following formula:
We know that:
So, calculating we have:
Hence, we have that the force that the lift exerts on the mass is equal to 900,000N.
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Answer:
b is the answer
b.There is a great deal of loyalty to the offenders.
Explanation:
There is a a little change in the rate of substantiated child maltreatment in the past several years.
In 2017 it is remarkably lower than 1990.
It has been decrease to 9 per 1000 children from 13 to 1000.
Since 2000 the rate of physical, psychological, sexual or emotional abuse have decreased .
The maltreatment rates are higher in younger children than older age children.
In maltreatment rate, children of ages 16 to 17 are lower than the children ages 0 to 3.
The rate of maltreatment of smaller children is 3 times higher than bigger ones
Meters Micrometers centimeters millimeters
Graphite is great lubricant because each carbon atom forms weak covalent bonds with three other carbon atoms.
Diamond and graphite both are entirely made up of carbon but both the elements are completely different because of the bonding of carbon atoms. In graphite the carbon atoms form weak covalent with the other three carbon atom due to which there is less or no force between the atoms, and makes the graphite very soft and slippery, and graphite act as lubricant.