What is human control system? The relation between the behavior of living creatures and the functioning of feedback control systems has recently gained wide attention. Wiener [1] implied that all systems, living and mechanical, are both information and feedback control systems. How can control our body? Exercise and Fuel Your Body Exercise is the single…
Category: Users’ questions
What is the angle between force of friction and normal reaction?
What is the angle between force of friction and normal reaction? Additional information:Angle of friction of a body is defined as the angle which is made between the resultant of normal reaction and the direction of force of friction or frictional force. The angle of repose is defined as that particular angle of an inclined…
Why does my cat only like me and not my family?
Why does my cat only like me and not my family? What makes a cat keep to one human, all but ignoring everyone else? Cats aren’t always big on trusting. It’s part of their lingering wildness, and if they were strays, it’s sometimes part of their emotional baggage. Trusting one human being is difficult enough…
What companies use lean startups?
What companies use lean startups? 3 examples of lean startup in action Dropbox. Dropbox is one of the best known examples of a business that has grown using lean startup principles. Zappos. General Electric. How can the lean startup help the companies in building products? Lean Startup Methodology represents a scientific approach toward building products….
What caused climate change during the ice age?
What caused climate change during the ice age? Although climate scientists have worked hard to determine the ultimate trigger of abrupt climate change during the last ice age, it is likely that a combination of ocean and atmospheric circulation changes were involved. How might warming contribute to the slowing of thermohaline circulation? Global warming can…
What do $@ and mean in a Makefile?
What do $@ and mean in a Makefile? The $@ and $< are called automatic variables. The variable $@ represents the name of the target and $< represents the first prerequisite required to create the output file. What does the symbol mean in a Makefile? The @ symbol is commonly seen at the beginning of…
Is it okay to have fried food once in a while?
Is it okay to have fried food once in a while? You don’t have to give up fried food, but you also don’t want to overdo it. “Have fried potatoes once in a while as more of a treat than a daily part of your diet,” Sasson says. Order them with a salad rather than…
Which nation is the strongest?
Which nation is the strongest? United States. #1 in Power Rankings. No Change in Rank from 2020. China. #2 in Power Rankings. #3 out of 73 in 2020. Russia. #3 in Power Rankings. #2 out of 73 in 2020. Germany. #4 in Power Rankings. United Kingdom. #5 in Power Rankings. Japan. #6 in Power Rankings….
Where did Harriet Tubman Go Canada?
Where did Harriet Tubman Go Canada? St. Catharines Tubman therefore changed her escape route so that it ended in Canada. She then began and ended her rescues in St. Catharines, Canada West (Ontario), where she moved in 1851. Did Harriet Tubman ever go to Canada? To the many escaped slaves she led to freedom during…
How do new students make friends?
How do new students make friends? How to Make Friends at a New School Join a club or team. Go to social events. Use social media to your advantage. Approach someone sitting alone at lunch. Lend a hand. Meet new people through friendship apps. Sign up for an improv class. Make eye contact and smile….