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Marina CMI [18]
3 years ago
7

What is the only force that acts on a falling body when it is in free fall

Chemistry
2 answers:
olga55 [171]3 years ago
5 0

As learned in an earlier unit, free fall is a special type of motion in which the only force acting upon an object is gravity. Objects that are said to be undergoing free fall, are not encountering a significant force of air resistance; they are falling under the sole influence of gravity.

Leya [2.2K]3 years ago
3 0
I’m pretty sure the only force pulling on a free falling body is gravity. Since gravity pulls things down to earth, the only way that the body can be falling “down to earth” is by gravity.
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Which of the following is not the same as 0.00684 kg?
olchik [2.2K]

kg and all the given units are units used to measure mass.

kg is the standard unit to measure mass

lets find the value of 0.00684 kg in all the given units

a. dkg

1 kg is equivalent to 100 decagram (dkg)

therefore 0.00684 kg is = 100 dkg/kg x 0.00684 kg = 0.684 dkg

this is not the given value therefore this choice is incorrect

b. 1 kg is equivalent to 1000 g

therefore 0.00684 kg = 1000 g/kg x 0.00684 kg = 6.84 g

this is the given value so this is correct

c. 1 kg is equivalent to 100 000 centigrams (cg)

therefore 0.00684 kg = 100 000 cg/kg x 0.00684 kg = 684 cg

this is the given value so this is also correct

d) 1 kg is equivalent to 1 000 000 mg

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this too is correct

the incorrect answer is A. 0.0684 dkg

5 0
3 years ago
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