When using a pulley with a mechanical advantage of 1.5, a worker applies 250n to the pulley. the pulley is used to lift a heavy crate. how much force does the pulley apply to the crate

Charge is distributed along the entire x-axis with uniform density λ. how much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y = a to y = b? (use the following as necessary: a, b, ε0, λ, and q for the charge on an electron.)

In a system with only a single force acting upon a body, what is the relationship between the change in kinetic energy and the work done by the force? answers: work is equal to the change in kinetic energy.work depends on the square of the change in potential energy.work is equal to the negative of the change in kinetic energy.work is equal to the square of the change in kinetic energy

The inverse square law applies to: intensity of sound gravitational force intensity of light electric force magnetic force