McqMate
| Q. |
The spring balance works on the principle of - |
| A. | Boyle's Law |
| B. | Hooke's Law |
| C. | Bernoulli's principle |
| D. | Pascal's Law |
| Answer» B. Hooke's Law | |
|
Explanation: A spring scale or spring balance or Newton meter is a type of weighing scale. It consists of spring fixed at one end with a hook to attach an object at the other. It works by Hooke's Law, which states that the force needed to extend a spring is proportional to the distance that spring is extended from its rest position. |
|
View all MCQs in
PhysicsNo comments yet