Applying Newton’s second law, you need to recognize that how fast you’ll be able to accomplish a particular task depends largely on your ability to focus the effort you exert on that task and that task only. If you insist on scattering the “force” you exert by frequently switching tabs from email to research to letter-writing all throughout the morning, you’ll be less likely to accomplish any one of them before the lunch hour. You may even just be switching back and forth on those tasks as a way to procrastinate on all of them.
