Q: Jars can be difficult to open due to the limited torque for the radius available on the lid. For a jar with a lid whose diameter is 10 cm, a lever is attached to the lid whose length extends to 20 cm from the lid's center. How many times more torque can be applied using the lever rather than simply turning the lid directly?
A		The torque will remain constant
B		The torque will double
C		The torque will quadruple
D		The torque will increase 16-fold

Forces | Quantitative Skills |