In PE = mgh, what is the mathematical relationship between PE and m

1.   ?    direct
2.   ?    direct square
3.   ?    inverse
4.   ?    inverse square

In KE = 1/2mv**2, what is the mathematical relationship between KE and m

1.   ?    direct
2.   ?    direct square
3.   ?    inverse
4.   ?    inverse square

In KE = 1/2mv**2, what is the mathematical relationship between KE and v

1.   ?    direct
2.   ?    direct square
3.   ?    inverse
4.   ?    inverse square

In W = fd, what is the mathematical relationship between W and f

1.   ?    direct
2.   ?    direct square
3.   ?    inverse
4.   ?    inverse square

In W = fd, what is the mathematical relationship between W and d

1.   ?    direct
2.   ?    direct square
3.   ?    inverse
4.   ?    inverse square

In P = W/t, what is the mathematical relationship between P and W

1.   ?    direct
2.   ?    direct square
3.   ?    inverse
4.   ?    inverse square

In P = W/t, what is the mathematical relationship between P and t

1.   ?    direct
2.   ?    direct square
3.   ?    inverse
4.   ?    inverse square