Cooler water molecules are denser than warm water and will not allow much of the salt to dissolve
How are you going to experiment means how will you show your project in a real life situation like a penny being cleaned with different acids.
Answer:
A device that does work with only one movement and changes the size or direction of a force is a simple machine.
Explanation:
- For applying force, any used basic mechanical devices are simple machines.
- Simple machine changes the direction as well as the amplitude of the applied force i.e. we can increase or decrease the magnitude of the force.
- A simple machine is the most basic mechanism to use the force as we need in big mechanical machines.
- Some of the examples of simple machines are inclined plane, lever, wedge, wheel and axle, pulley, and screw.
Answer:
44
Explanation:
You multiply the length value by 1000
