How can a 59-kg cyclist exert more torque while ascending a slope if he puts all his weight on each pedal? Given the pedals move in a circular path with a radius of 18 cm.

• A. Shifting gears to a higher resistance
• B. Pushing down harder with his legs and raising his center of mass
• C. Leaning forward closer to the handlebars
• D. Reducing the air pressure in the tires

Answer: (B)