Answer: it is called the "NETWORK LAYER"
Explanation: OSI model means Open System Interconnection model. It have different model layers.
The network layer is the OSI model layer that helps in forwarding packets from network to network, using a network router. It's main function is to connect different network together. It also determine the best virtual circuits(paths) for the data to travel.
Because the question specify that the network is connected to a network router, that means the OSI model layer is network layer.
You are looking to find gravitational energy, the formula for that is (height)(weight)(acceleration due to gravity). In your case I️t will be (3)(2)(9.8)= 58.8 Joules
Answer:
A 0.0 m/s
An object at rear is not moving so it is morning 0m every second.
When resistance force on a lever increases, nothing happens automatically.
But if you want to keep lifting the load, then YOU must increase the force of
your effort in order to make it happen.