The propeller on a boat pushes water backwards with a force of 2000N. The boat moves through the water against a total resistive force of 1800N. According to Newtons third law , whatis the forward on the propeller due to the water ?

A) 3800N
B) 2000N
C) 1800 N
D) 200 N

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit