This would be a definition of a machine :D
Machines are moving parts that are used for work and other stuff :D
The second one is the answer
Answer:
Option C
Explanation:
The graph shows endothermic reaction because the reactants are lower in energy and the products are higher is energy. Endothermic reactions absorb energy having products with higher energy.
Answer:
Joint application development
Explanation:
Joint application development is a computer based system used for development process. It interface between the users and designer of the system in development.
Higher the mass will cause more friction which will make its temperature higher and it would also need more kinetic energy to move at a higher speed<span />