A Box of Mass 50 Kg Is at Rest on a Horizontal

question 11

Short Answer

A box of mass 50 kg is at rest on a horizontal frictionless surface.A constant horizontal force F then acts on the box and accelerates it to the right.It is observed that it takes the box 6.9 seconds to travel 28 meters.What is the magnitude of the force?

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Definitions:

Hearsay Rule

A legal rule that prohibits the use of secondhand testimony in court if it is offered to prove the truth of the matter asserted unless an exception to the rule applies.

Dying Declaration Exception

A rule in law that allows the admission of a statement made by a person believing they were about to die, relating to the cause or circumstance of their death, as evidence in court.

Friendly Witness

A witness in a legal proceeding expected to provide testimony that supports the position of the party calling them.

Hostile Witness

A witness whose testimony is not favorable to the party who has called them to testify, often leading to cross-examination.