Explain Following Newton's Law of Universal Gravitation Flashcards

Physics

25 cards   |   Total Attempts: 184
  

Cards In This Set

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According to Newton's universal law of gravitation, the greater the masses of interacting objects
THE GREATER THE GRAVITATIONAL FORCE BETWEEN THEM
According to the universal law of gravitation, doubling the distance between two interacting objects
DIVIDES BY 4 THE GRAVITATIONAL FORCE BETWEEN THEM
What is the force of gravity on a 500-N woman standing on the Earth surface?
500 N
If the mass of the Earth somehow increased with no change of the radius, your weight would
INCREASE ALSO
Inside a freely falling elevator, there would be no
APPARENT WEIGHT FOR YOU
The Earth's gravitational field extends
BOTH INSIDE AND OUTSIDE THE EARTH AND THROUGHOUT THE ENTIRE UNIVERSE
The direction of a gravitational field is
IN THE SAME DIRECTION AS THE GRAVITATIONAL ATTRACTION
A black hole is
SIMPLY THE REMAINS OF A GIANT STAR THAT HAS UNDERGONE GRAVITATIONAL COLLAPSE
an asteroid exerts a 360-N gravitational force on a nearby spacecraft. This force is directed
TOWARD THE ASTEROID
An asteroid exerts a 360-N gravitational force on a nearby spacecraft. If the spacegraft moves to a position three times as far from the center of the asteroid, in its new position the force will be
40 N
If the radius of the Earth somehow decreased with no change in mass, your weight would
INCREASE
If the Earth's mass decreased to one-half its original mass with no change in radius, then your weight would
DECREASE TO ONE HALF YOUR ORIGINAL WEIGHT
A galaxy-class spaceship of name Enterprise happened to suffer engine failure when it was at the position exactly halfway between the Earth and The Moon. With its engines shut off, Enterprise was
FALLING TOWARDS THE EARTH
A polar bear, who normally weighs 400 N, happened to climb up to the top of ridiculously tall ladder that was left on Earth by a passing by alien from Andromeda galaxy. The ladder was unbelievably tall, measuring one Earth's radius from the bottom to the top. How much did the bear weigh at the top of the ladder?
100 N
A very massive star A and a less massive star B move toward each other under influence of gravitation. Which force, if either, is greater?
BOTH FORCES ARE THE SAME