PLEASE HELP ITS TIMED WILL GIVE POINTS A packing crate of mass m is pulled across the floor at a constant velocity
by means of a rope attached to the front of the crate. The rope makes
an angle of θ with the floor. The coefficient of kinetic friction between
the floor and the crate is µk. What value of θ will make the tension in the
rope a minimum?

To protect all four receptacles on a branch circuit that surrounds a swimming pool, you would install which of the following configurations? a. gfci feed-through receptacle at the end of the load's circuit b. gfci-terminated receptacle at the beginning of the load's circuit c. gfci feed-through receptacle at the beginning of the load's circuit and the other receptacles connected to the load side of that receptacle d. gfci-terminated receptacle at each end of the load's circuit

Explain vector addition, triangle method and parallelogram method

Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work