Science ! ty : ]
according to newton's second law of motion, if a rigid body of unchanging mass is observed accelerating, what must be happening?
a force is being applied to the mass
the mass must be changing.
a force was once applied, but is now not being applied.
no force was or is being applied to the mass.

9. which of these are considered standard precautions for dealing with bodily fluids? check all that apply wearing gloves when providing patient care that may involve contact with blood checking a patient's chart to determine if there is a harmful blood disorder wearing aprons, masks, and protective eyewear when needed transporting a patient from a bed to a wheelchair to take him or her to a procedure washing hands when required cleaning equipment thoroughly before using it on the next patient