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Examples of force. The following list shows different orders of magnitude of force. Since weight under gravity is a force, several of these examples refer to the weight of various objects. Unless otherwise stated, these are weights under average Earth gravity at sea level.
Estimated total energy (in shockwaves, turbulence, gases heating up, gravitational force) of galaxy clusters mergings [339] 4×10 58 J: Visible mass–energy in our galaxy, the Milky Way [340] [341] 10 59 1×10 59 J: Total mass–energy of our galaxy, the Milky Way, including dark matter and dark energy [342] [343] 1.4×10 59 J
Order of magnitude is a concept used to discuss the scale of numbers in relation to one another. Two numbers are "within an order of magnitude" of each other if their ratio is between 1/10 and 10. In other words, the two numbers are within about a factor of 10 of each other. [1] For example, 1 and 1.02 are within an order of magnitude.
Peak deceleration of the Stardust Sample Return Capsule on reentry to Earth [10] 454 m/s 2: 46.2 g: Maximum acceleration a human has survived on a rocket sled [3] > 491 m/s 2 > 50 g: Death or serious injury likely [citation needed] 982 m/s 2: 100 g: Sprint missile [11] 982 m/s 2: 100 g: Automobile crash (100 km/h into wall) [12] > 982 m/s 2 > 100 g
10 kPa 1.5 psi Pressure increase per meter of a water column [26]: 10 kPa 1.5 psi Decrease in air pressure when going from Earth sea level to 1000 m elevation [citation needed]
Approximate limit of the gluon-mediated color force between quarks [6] [7] 1.5 fm Effective cross section radius of an 11 MeV proton [8] 2.81794 fm Classical electron radius [9] 3 fm Approximate limit of the meson-mediated nuclear binding force [6] [7] 750 to 822.25 fm Longest wavelength of gamma rays: 10 −12: 1 picometer 1.75 to 15 fm
The normal force, for example, is responsible for the structural integrity of tables and floors as well as being the force that responds whenever an external force pushes on a solid object. An example of the normal force in action is the impact force on an object crashing into an immobile surface. [4]: ch.12 [5]
10 3: kilo-(kW)1–3 × 10 3 W : tech: heat output of a domestic electric kettle 1.1 × 10 3 W : tech: power of a microwave oven 1.366 × 10 3 W : astro: power per square meter received from the Sun at the Earth's orbit