Wheels and Levers
Alberta Topic B: Wheels and Levers.
5 questions, free, marked as you go with a worked explanation on every one.
What this covers
- contact and distance forces
The questions
- A lever pivots at a fixed point. What is that point called?
- What is the main advantage of a wheel and axle, like a doorknob?
- Which of these are examples of a lever? Select all that apply.
- A wheelbarrow has its wheel at one end, its handles at the other, and the load in the middle. What type of simple machine is this an example of?
- Why is it easier to loosen a tight bolt with a long wrench than a short one?