Explanation:
2) C would need the least effort, because the longer the effort distance, the least the effort applied.
Force is equal to the mass of that object multiplied by itsacceleration:
F = m × aB.49 N is the ANSWER! I took the test on k12 and it was right
expands when it freezes
is less dense than ice,
dissolves in most substances
Water expands when it freezes
A.
how electric charges can be used to make current flow
B.
how electric charges can be used to create a magnetic field
C.
how a magnetic field can be used to generate an electric current
D.
how a magnetic field can be used to generate electrons