NUTRITION
THE HUMAN BODY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
What is a lever
|
|
A lever tells whats heavy and whats not
|
|
|
A lever compares the weight of 2 objects
|
|
|
Either A or B
|
|
|
None of the above
|
Explanation:
Detailed explanation-1: -A lever is a simple machine with a fulcrum and a solid beam. On each end of the beam, the effort (input force) and load (output force) are applied. The fulcrum is considered the pivot point of the beam. A load is applied to the other end of the lever when an effort is applied to one end of the lever.
Detailed explanation-2: -A lever is a machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. A lever is a rigid body capable of rotating on a point on itself.
There is 1 question to complete.