Week 5(B) Quiz - 1008AHS

Power is measured in ...

• W

• J/s

• kJ/s

• W or J/s

What is a recognised disadvantage of strain gauges?

• Low hysteresis

• Lack of drift

• Reasonable frequency response

• Temperature sensitive

What does drift refer to?

• How rapidly a desired signal changes on output

• Time based dependence on a system's output depending on past inputs

• Changes in voltage/charge despite a constant load application

• None of the above

What characteristic of force plates does this refer to?

• Drift

• Hysteresis

• Linearity

• Frequency Response

Why are strain gauges most likely to be placed on cadavers for testing?

• None of the answers

• Ease of measurement

• Financial reasons

• Highly invasive to be placed on humans

Why would a strain gauge be favoured over a piezoelectric force plate at times?

• Less drift

• Low hysteresis

• Temperature insensitivity

• Highly linear

Ideally the relationship between voltage and an applied force is ...

• Linear

• Exponential

• Logarithmic

• Hyperbolic