When the ball hangs from the ligament, it stretches a certain amount. If the ball is then pulled downward, the ligament experiences a greater stretch. When the ball is subsequently released, what is the direction of the net force on the ball?

A) The net force is downward.
B) The net force is upward.
C) The net force is zero.

Experiment scenario 2: a biology student wants to conduct a study of how the amount of food affects the weight gain for mice. i have set up four cages with a mouse in each cage. fill in the boxes that would allow the biology student to complete the study correctly

Which one of the following research methods can show cause and effect

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?