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Can the normal force do work in a given physical system?
No, the normal force does not do work in a given physical system.
Who are the term security forces includes all forces with the mission of protecting against internal and external threats?
The term security forces includes military, police, and intelligence agencies that are responsible for safeguarding a country against internal and external threats. These forces work together to maintain law and order, protect the sovereignty of the nation, and counter any threats to its security.
Can a normal force do work in a physical system?
Yes, a normal force can do work in a physical system when it acts in the direction of the displacement of an object.
Can work done be negative in a physical system?
Yes, work done can be negative in a physical system when the force applied is in the opposite direction of the displacement.
Is physical a synonym for work?
"Physical" can sometimes be used as a synonym for "work" in the sense of labor or manual effort, but it does not cover all aspects of work such as mental or emotional tasks.
