Question

who am I
1 . lam the slope used to move a heavy load with less effort.who am i?
2 . I am the modified inclined plane used to hold things tightly together . who am I?
3 . I am the wheel with a grooved rim and a chain to lift heavy objects. who am I?
4 . I am the wedge with one board and another sharp end used to cut or slice objects. who am I?​

Answer 1

Answer:

1. Pushcart

2. I don't know

3. I don't know

4. Knife

Answer 2

Answer:

1)Inclined plane

2)wedge

3)Pulley

4) Hammer