Quiz on SI Units

Which unit is used to measure force in the SI system?

• Newton (N)

• Watt (W)

• Meter (m)

• Joule (J)

Which of the following is the SI unit for time?

• Joule (J)

• Meter (m)

• Second (s)

• Watt (W)

What is the SI unit for power?

• Newton (N)

• Joule (J)

• Watt (W)

• Meter (m)

What is the formula for power?

• Power = work × time

• Power = work ÷ time

• Power = work + time

• Power = work - time

In SI units, how is power expressed?

• Joules per second

• Watts

• Newtons

• Kilograms

If 20,000 J of work is done in 60 seconds, what is the power output?

• 333.3 W

• 300 W

• 350 W

• 400 W

What is the energy expenditure dependent on in indirect calorimetry?

• Type of nutrient metabolized

• Amount of water consumed

• Body temperature

• Heart rate

What is the MET value calculated in the example?

• 11.4 METs

• 10.4 METs

• 12.4 METs

• 9.4 METs

What is one of the criteria for VO₂ max?

• Decrease in heart rate

• Plateau in VO₂ with increasing work rate

• Increase in flexibility

• Decrease in blood pressure

What information can athletes gain from physiological testing?

• Nutritional deficiencies

• Strengths and weaknesses

• Sleep patterns

• Genetic predispositions