Question

PRACTICE TIME
Say True or False.
1. A lever is a complex machine.
2. When the load is between the fulcrum and effort, the lever is of second class.
3. A ramp is an example of a lever.
4. A pulley is a small wheel, with a groove around it.
correct ancur​

Answer 1

Answer:

1) False (it's a compound machine)

2) True

3)False

4)Pulley is a small wheel with grooves around its outer edge. A pulley together with a chain or a rope is used to lift objects.