Physics, 26.07.2019 09:00 bhadd4385

The mass of object 2 is double the mass of object 5. the mass of object 4 is half of the mass of object 5 and the mass of object 3 is half of the mass of object 4. which of these statements is correct about object 2, object 3, object 4, and object 5? a. object 3 and object 5 exert the same gravitational force on object 1. b. object 2 and object 4 exert the same gravitational force on object 1. c. the gravitational force between object 1 and object 2 is greater than the gravitational force between object 1 and object 4. d. the gravitational force between object 1 and object 3 is greater than the gravitational force between object 1 and object 5.

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Answer from: Jasten

This is a great problem if you like getting tied up in knots
and making smoke come out of your brain.

I found that it makes the problem a lot easier if I give the objects some
numbers. I'm going to say that the mass of Object 5 is 20 clods.

Let the mass of Mass of Object 5 be 20 clods .

Then . . .

-- The mass of Object 2 is double the mass of Object 5 = 40 clods.

-- The mass of Object 4 is half of the mass of Object 5 = 10 clods.
and
-- the mass of Object 3 is half of the mass of Object 4 = 5 clods.

So now, here are the masses:

Object #1 . . . . . unknown
Object #2 . . . . . 40 clods
Object #3 . . . . . 5 clods
Object #4 . . . . . 10 clods
Object #5 . . . . . 20 clods .

Now let's check out the statements, and see how they stack up:

Choice-A:
Object 3 and Object 5 exert the same gravitational force on Object 1.
Can't be.
Objects #3 and #5 have different masses, so they can't both
exert the same force on the same mass.

Choice-B.
Object 2 and Object 4 exert the same gravitational force on Object 1.
Can't be.
Objects #2 and #4 have different masses, so they can't both
exert the same force on the same mass.

Choice-C.
The gravitational force between Object 1 and Object 2 is greater than
the gravitational force between Object 1 and Object 4.
Yes ! Yay !
Object-2 has more mass than Object-4 has, so it must exert more force on
ANYTHING than Object-4 does, (as long as the distances are the same).

Choice-D.
The gravitational force between Object 1 and Object 3 is greater than the gravitational force between Object 1 and Object 5.
Can't be.
Object-3 has less mass than Object-5 has, so it must exert less force on
ANYTHING than Object-4 does, (as long as the distances are the same).

Conclusion:
If the DISTANCE is the same for all the tests, then Choice-C is
the only one that can be true.

Answer from: Quest

step-by-step explanation: a third of 24 is 8, 8 times 3 is 24 so 8 - 2 would be 6

Answer from: Quest

Are there options for this?

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