Podcast
Questions and Answers
What is the formula for mechanical advantage (M.A)?
What is the formula for mechanical advantage (M.A)?
- Input force / Output force
- Load / effort
- Output force - input force
- Output force / input force (correct)
Which of the following statements about efficiency is correct?
Which of the following statements about efficiency is correct?
- Efficiency has units since it involves power.
- Efficiency can never be expressed in terms of Mechanical Advantage (M.A).
- Efficiency is always greater than 1.
- Efficiency is a ratio of work output to work input. (correct)
In a First-Class Lever, where is the fulcrum located?
In a First-Class Lever, where is the fulcrum located?
- It varies depending on the specific lever
- Between the load and the effort (correct)
- Closest to the load
- At one end of the lever
What does the term 'Velocity Ratio' describe?
What does the term 'Velocity Ratio' describe?
Which lever class has the load positioned between the effort and the fulcrum?
Which lever class has the load positioned between the effort and the fulcrum?
In a wheelbarrow, which part acts as the fulcrum?
In a wheelbarrow, which part acts as the fulcrum?
What is the mechanical advantage (MA) of a third-class lever?
What is the mechanical advantage (MA) of a third-class lever?
Which of the following is an example of a third-class lever?
Which of the following is an example of a third-class lever?
What is the formula for the mechanical advantage (MA) of an inclined plane?
What is the formula for the mechanical advantage (MA) of an inclined plane?
What is the formula for the mechanical advantage (MA) of a screw?
What is the formula for the mechanical advantage (MA) of a screw?