Form 21 (21-22) / 30 of 30 A screwdriver can be used as a lever to pry open lids. A screwdriver is used to open a paint lid. If an effort force of 50 N is

applied to the screwdriver, and the mechanical advantage of using that screwdriver is 10, what is the resulting resistance

force on the lid?

A 500 N

B 5N

C. 40 N

D. 0.2 N

An atom that has fewer electrons that protons is called a positive ion.

Answer(a)   the matererials that are in contact, the two materials and the nature of their surfaces/// (b)/// the force pushing the two surfaces together, pushing the surfaces together causes the more of the asperities to come together and increases the surface area in contact with each other

I'm having some difficulty seeing the diagram clearly.but the question says there's a net inward force on the object.so we know right away,  from newton's 2nd law of motion, thatthat baby is accelerating.  it doesn't even matter which way thenet force is pointing.  if there's any net force, then either theobject's speed or else its direction must be changing.