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  2. Newton (unit) - Wikipedia

    en.wikipedia.org/wiki/Newton_(unit)

    A newton is defined as 1 kg⋅m/s 2 (it is a named derived unit defined in terms of the SI base units). [1]: 137 One newton is, therefore, the force needed to accelerate one kilogram of mass at the rate of one metre per second squared in the direction of the applied force.

  3. Orders of magnitude (force) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(force)

    1 N 1.4 N The weight of a smartphone [13] [14] 2.5 N Typical thrust of a Dual-Stage 4-Grid ion thruster. 9.8 N One kilogram-force, nominal weight of a 1 kg (2.2 lb) object at sea level on Earth [15] 10 N 50 N Average force to break the shell of a chicken egg from a young hen [16] 10 2 N 720 N Average force of human bite, measured at molars [17 ...

  4. Kilogram-force - Wikipedia

    en.wikipedia.org/wiki/Kilogram-force

    The tonne-force, metric ton-force, megagram-force, and megapond (Mp) are each 1000 kilograms-force. The decanewton or dekanewton (daN), exactly 10 N, is used in some fields as an approximation to the kilogram-force, because it is close to the 9.80665 N of 1 kgf. The gram-force is 1 ⁄ 1000 of a kilogram-force.

  5. Mass versus weight - Wikipedia

    en.wikipedia.org/wiki/Mass_versus_weight

    Under Sir Isaac Newton's 337-year-old laws of motion and an important formula that sprang from his work, F = ma, an object with a mass, m, of one kilogram accelerates, a, at one meter per second per second (about one-tenth the acceleration due to Earth's gravity) [4] when acted upon by a force, F, of one newton.

  6. List of metric units - Wikipedia

    en.wikipedia.org/wiki/List_of_metric_units

    The sievert (Sv) is equal to one joule per kilogram (1 J⋅kg1). The katal (kat) is equal to one mole per second (1 mol⋅s −1). Furthermore, there are twenty-four metric prefixes that can be combined with any of these units except one (1) and kilogram (kg) to form further units of the SI. For mass, the same prefixes are applied to the ...

  7. Metre per second squared - Wikipedia

    en.wikipedia.org/wiki/Metre_per_second_squared

    One newton equals one kilogram metre per second squared. Therefore, the unit metre per second squared is equivalent to newton per kilogram, N·kg1, or N/kg. [2] Thus, the Earth's gravitational field (near ground level) can be quoted as 9.8 metres per second squared, or the equivalent 9.8 N/kg.

  8. Gravitational constant - Wikipedia

    en.wikipedia.org/wiki/Gravitational_constant

    In SI units, its value is approximately 6.6743 × 10 −11 N⋅m 2 /kg 2. ‍ [1] The modern notation of Newton's law involving G was introduced in the 1890s by C. V. Boys. The first implicit measurement with an accuracy within about 1% is attributed to Henry Cavendish in a 1798 experiment. [b]

  9. List of physical quantities - Wikipedia

    en.wikipedia.org/wiki/List_of_physical_quantities

    1: Magnetic flux: Φ: Measure of magnetism, taking account of the strength and the extent of a magnetic field: weber (Wb) L 2 M T −2 I −1: scalar Mass fraction: x: Mass of a substance as a fraction of the total mass kg/kg 1: intensive (Mass) Density (or volume density) ρ: Mass per unit volume kg/m 3: L −3 M: intensive Mean lifetime: τ