Would the 10th doctor enjoy a dish of stuffed pears?
The 10th Doctor in David Who is played by David Tennant. In multiple episodes of the series, the 10th doctor mentions that he hates pears.
The answer is no.

Can a cheetah generate enough force to topple Big Show?
Big Show is a professional wrestler that weighs 383 pounds. Force is equal to mass times acceleration. An adult Cheetah weighs around 160 pounds. An adult Cheetah can run up to 58 MPH.
The answer is yes.

Is the foot part of the metric system?
The metric system measures distance based on the meter unit. The foot is part of the American standard system of measurement.
The answer is no.

Would a student in eleventh grade be unable to run for president of the United States?

Students in the eleventh grade are typically 16–17 years of age. To serve as president, one must be at least 35 years old.
The answer is yes.