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

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?

What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical

A1500 w electric heater is plugged into the outlet of a 120 v circuit that has a 20 a circuit breaker. you plug an electric hair dryer into the same outlet. the hair dryer has power settings of 600 w, 900 w , 1200 w, and 1500 w. you start with the hair dryer on the 600 w setting and increase the power setting until the circuit breaker trips. under what setting does the circuit breaker trip.