Paul works for a supermarket and is pushing a wooden box of supplies across the supermarket floor. If the coefficient of kinetic friction between the crate and the floor is 0.2 and the kinetic friction between the floor and the
crate is 18 newtons, what is the normal force acting on the crate?

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The rearrangement of particles in a physical change. hope this

The modern-day generator works on the principle of electromagnetic induction discovered by michael faraday in 1831-32. faraday discovered that the above flow of electric charges could be induced by moving an electrical conductor, such as a wire that contains electric charges, in a magnetic field.

All are great precautions but you can still lift lighter and different muscles in between hard workdays. this keeps other muscles not usually used in shape.