If Luis pulls straight down on the end of a wrench that is tilted θ = 30∘ above the horizontal and is r = 37 cm long, what force must he apply to exert a torque of -21 N⋅m ?

If vx = 7.00 units and vy = -7.60 units, determine the magnitude of v⃗ . determine the direction of v⃗ .

Answer as quick as ! kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energyb. motion energyc. sound energyd. thermal energy

Which accurately compares concave and convex lenses?