Question
When is the work done by a force considered negative?
Asked in RRB Group D · 2025
Work · Physics
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Kinetic energy is ½mv², so doubling speed makes it four times larger.
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Questions Asked from Power: Formula, Units & Horsepower in Previous Exams
See how often Power: Formula, Units & Horsepower has appeared in previous-year questions across major government exams.
14UPSC Questions Asked in These Years:2010, 2011, 2012, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2023, 2024, 2026
9SSC Questions Asked in These Years:2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
7Railways Questions Asked in These Years:2016, 2018, 2021, 2022, 2024, 2025, 2026
16State PSC Questions Asked in These Years:2002, 2004, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
Power: Formula, Units & Horsepower has appeared in 46 previous-year exam questions, most frequently in State PSC, UPSC and SSC.
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