What principle does a pulley use? A. It changes the direction of the effort using a rope or cable B. It converts a downward force into a sideways force C. It causes a force applied to one end to be amplified at the other end D. It causes force applied at the wheel, to produce movement in the axle

do you have any options?

the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true?

a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of

5

9

degree celsius.

a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.

a temperature increase of

5

9

degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.

a) i only

b) ii only

c) iii only

d) i and ii only