In a simple electric circuit, a 110-volt electric heater draws 2.0 amperes of current. what is the resistance of the heater?

The relation between voltage, current and resistance can be describes using Ohm's law where:
Voltage = Current * Resistance

We are given that:
voltage = 110 volt
current = 2 ampere

Substitute with the givens in the above equation to get the resistance as follows:
Voltage = Current * Resistance
110 = 2*Resistance
Resistance = 110 / 2 = 55 Ω

F- force on the object,
m - mass of the object:
F = 12 N = 12 kgm/s², m = 2 kg
F = m · a
a = F : m = 12 N : 2 kg = 6 m/s²
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