Answers: Advantages’:
1. The coil spring unit foundation comes in different varieties and shapes.
2. It can be easily used with other stuffing materials such as metal bars or on-suite web platforms.
3. It was not easily compressed while in use
4. Coil spring platform does not use much wood as its used in a solid platform.
5. Coil spring gives allowance for many usages of if on the platform. The number on a row varies to use.
Disadvantage of spring unit with coil foundation.
1. Coil spring platform easily break while in use because the thickness of the coil is light
2. While in use, whenever the links wore on the cool break the coil spring shape will be deformed.
3. Coil spring platform does not last like the no-sag spring of the solid foundation.
4. Coil spring unit foundations make noise whenever we sit on it and when we stand up again.
![A spring balance, which is suspended from the roof of a lift, carries a mass of 1kg at its free end. If the lift accelerates upwards at 2.5ms‾², determine the reading on the spring balance. [g = 10ms‾²]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A spring balance, which is suspended from the roof of a lift, carries a mass of 1kg at its free end. If the lift accelerates upwards at 2.5ms‾², determine the reading on the spring balance. [g = 10ms‾²]")
