The mechanical advantage of a wheel and axle is the radius of the wheel divided by the radius of the axle. On wheel and axle A,
2 answers:
Answer:
Wheel and axle B
Explanation:
It is given that the mechanical advantage of a wheel and axle is the radius of the wheel divided by the radius of the axle.
Mathematically, it can be written as :
.................(1)
On wheel and axle A, the wheel and axle are very close in size while on wheel and axle B, the radius of the wheel is much greater than the radius of the axle.
From equation (1) it is clear that the mechanical advantage is directly proportional to the radius of wheel.
So, the mechanical advantage of wheel and axle B is greater.
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Answer:
The magnitude of the electrostatic force is 120.85 N
Explanation:
We can use Coulomb's law to find the electrostatic force between the down quarks.
In scalar form, Coulomb's law states that for charges and
separated by a distance d, the magnitude of the electrostatic force F between them is:
where is Coulomb's constant.
Taking the values:
and knowing the value of the Coulomb's constant:
Taking all this in consideration: