Question

machines. A. Fill in the blanks. moves a body in its own direction. 1 Work is said to be done when a 2. If a force causes zero displacement, then work done is of two or more 3. Complex machines are made of a 4. A screw jack acts as a multiplier. 5. In a class III lever, the is between the load and the 6. A is commonly used for holding things together and lifting materials. 7. The sharper the wedge, the it is to pierce the objects. ​

Answer 1

Answer:

Work is said to be done when an object is displaced

Complex machines are made up of many different parts