PLEASE HELP ME SOON Four forces are exerted on each of the two objects shown below:

Which object will move in the up direction?

Object A but not Object B
Object B but not Object A
Both Object A and Object B
Neither Object A nor Object B

1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engine’s effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)

Ab+c --> ac+b is the general equation for which one of the following types of chemical reactions? a.) combination b.) single-displacement c.) decomposition d.) double-displacement

35 grams of salt is dissolved in 500 grams of total solution. what is the percent by mass of salt?