Me plz!

lester prepares to lift a heavy sack of flour into a customer’s shopping cart. during which part of the action does lester do work?

when he applies force to the sack before lifting it

when he holds the sack against his chest

as he lets go of the sack and it falls onto a cart

as he lifts the sack to his chest from the floor

Adisk with a radius of r is oriented with its normal unit vector at an angle q with respect to a uniform electric field. which of the following would result in an increase in the electric flux through the disk? check all that apply? a. increasing the area of the disk b. decreasing the given orientation angle of the disk c. decreasing the strength of the electric field d. increasing the given orientation angle of the disk, but not exceeding an angle of 90