A tractor T is pulling a trailer M with a constant acceleration. If the forward acceleration is 1.5 m/s2 and M = 400 kg and T = 500 kg, then the force on the tractor due to the trailer is (ignore air resistance) 
Definitions:
Synaptic Pruning
A natural process of brain development in which extra neurons and synaptic connections are eliminated to increase the efficiency of neuronal transmissions.
Synaptogenesis
The process of forming synapses between neurons in the nervous system, crucial for brain development and plasticity.
Myelination
The biological process of forming a myelin sheath around the nerves in the brain and spinal cord, which improves the speed and efficiency of electrical signal transmission.
Habituate
The process of becoming accustomed to a stimulus or environment through repeated exposure, leading to a decrease in response.
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