Gravity Flashcards

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0
Q

Newtons interest in mechanics was rekindled with the advent of a spectacular what in 1680

A

Comet

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1
Q

Isaac Newton determined that gravity was

A

universal

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2
Q

Everything polls on everything else and a beautifully simple way that involves only what and what

A

Mass and distance

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3
Q

The universal gravitational consistent can be expressed by what equation

A

F = g (M1 and M2) / (D squared)

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4
Q

The magnitude of G is the same as the gravitational force between 21 kg masses that are 1 m part which is what numerical value in newtons

A

6.67 * 10^-11 N

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5
Q

Calculating G alone was first done by the what English physicist in 1798

A

Henry Cavendish

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6
Q

Philip Von jolly attached a spherical flask of what to abounds to also demonstrate the gravitational force between two objects

A

Mercury

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7
Q

Phenomena where in the effects of gravity from a local resource spreads uniformly throughout the surrounding space is termed as

A

Inverse square law

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8
Q

What is the weakest of all forces

A

Gravity

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9
Q

The force of gravity like any force can produce what

A

Acceleration

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10
Q

The pressing against earth is a sensation we interpret as what

A

Weight

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11
Q

Ocean tides are caused by the what in the gravitational pole between the moon and earth on opposite sides of the earth

A

Differences

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12
Q

What tides occur at the time of a new or full moon

A

Spring

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13
Q

Tides that occur when the moon is midway between new and full in either direction are what tides

A

Neap

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14
Q

Higher than average tides and lower than average low tides occur because the what what and what are aligned (3)

A

Sun earth and moon

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15
Q

Suns pull is what times that of the moon

A

180

16
Q

The greatest title range can be found located in blank wheretitle differences sometimes exceed 15 m meters

A

Bay of Fundy

17
Q

Earthquakes and volcanic corruption have a higher probability of occurring when earth is experience and what tide near a full or new Moon

A

Earth spring

18
Q

Title effects in the blank produce electronic currents that alter the blank fields that surround the earth

A

Ionosphere/ magnetic

19
Q

The what penetration is evident in subtle changes in the behaviors of living things

A

Cosmic ray

20
Q

The What intensity inside a planet of uniform density is directional proportional to the radio distance from the center and is maximum at surface

A

Gravitational field

21
Q

A concentration of mass resulting from gravitational collapse near which gravity is so intense that not even light can escape is termed as a what

A

Black hole

22
Q

Interplanetary force is causing planets to wobble in their orbits is termed what

A

Perturbations

23
Q

Tracking of the orbits of both Uranus and Neptune led to this discovery of what in 1930 at the what in Arizona

A

Pluto and Lowell Observatory

24
Q

The planet what was discovered at the blank observatory on Linden Street by Joanne Galle

A

Neptune and Berlin