Podcast
Questions and Answers
Which of the following is NOT a characteristic of simple machines?
Which of the following is NOT a characteristic of simple machines?
- They are basic tools
- They multiply the force applied to a task
- They reduce the amount of energy needed for a task
- They are used to move heavy objects (correct)
What is the purpose of using a lever?
What is the purpose of using a lever?
- To move heavy objects
- To rest on another piece of stone or wood
- To multiply the force applied to a task (correct)
- To reduce the amount of energy needed for a task
What is the load in the context of using a crowbar as a lever?
What is the load in the context of using a crowbar as a lever?
- The end of the crowbar
- The heavy object being moved (correct)
- The part of the crowbar resting on another piece of stone or wood
- The force applied to the task
What is the limit to how much force our body can apply to a particular task?
What is the limit to how much force our body can apply to a particular task?
What do simple machines do to tasks?
What do simple machines do to tasks?
Simple machines help reduce the amount of energy needed for a task and multiply the force by cleverly applying the laws of ______.
Simple machines help reduce the amount of energy needed for a task and multiply the force by cleverly applying the laws of ______.
A lever is a basic tool that can be used to move a heavy object by applying ______.
A lever is a basic tool that can be used to move a heavy object by applying ______.
The end of the crowbar is placed underneath the object called the ______.
The end of the crowbar is placed underneath the object called the ______.
To make tasks easier and more efficient, humans started building various basic tools called ______.
To make tasks easier and more efficient, humans started building various basic tools called ______.
There is a limit to how much force our body can apply to a particular task, especially while moving a ______ object.
There is a limit to how much force our body can apply to a particular task, especially while moving a ______ object.
