8. Evaluation of gravitational reference frames in terms of matter, motion and e

Question

8. Evaluation of gravitational reference frames in terms of matter, motion and energy, according to Newton. a. If a force is defined asF- ma, where F a force applied m mass of the object (grams or kilograms) a the acceleration of an object (rate of change of the speed or velocity of an object in motion) g acceleration due to gravity in a gravitational reference frame (8 9.81m/s) What is the Force applied by the box on the table illustrated below? mass .k kgm/s2 9. What is the common "name" of the Force that you have just calculated?

Explanation / Answer

The force is defined as F = m a, mass times the acceleration.
Here, the force applied by the box on the table is
F =M g
Where M is the mass of the box and g is the acceleration due to gravity.
g = 9.81 m/s2
M = 1 kg
F = 1 kg x ( 9.81 m/s2)
F = 9.81 kg m/s2
This is the force exerted by the box on the table.
b) The common name for this kind of force is 'weight'. We refer this quantity as weight of the box.
W = M g.

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