Some new school question and answer inquired students to say what they presume is the most important point for a student to do if they wanted to obtain success. Of the numerous results, one that that stood out was practice. Successful persons absolutely not born successful; they become successful by hard work and dedication. If you want to attain your goals, keep this in mind! Below some question and answer examples that you would possibly utilise to supercharge your knowledge and gain insight that will help you to maintain your school studies.
Question:
What is impossible for a machine to do?
A) do a greater amount of work than the amount of work done on the machine
B) apply a force in a direction that is different than the direction of the force applied to the machine
C) move an object a greater distance than the distance that part of the machine was moved
D) apply a force that is less than the force that is applied to the machine
Answer:
Answer:
A) do a greater amount of work than the amount of work done on the machine
Explanation:
By the principle of conservation of energy, energy can never be created or destroyed.
To do more work by a machine than the amount of work done on the machine is impossible because to do so machine will have to create energy within itself which violates the principle of conservation of energy.
Extra bit,
These kind of machine are defined as perpetual-motion machines and there are many attempts in history to create one such device but all were failed.
They can easily hopefully assist the student sort out the question by using the questions and answer examples. You could definitely then have a discussion with your classmate and continue the school learning by studying the subject alogside each other.