Describe the relationship between gravity and weight
What will be an ideal response?
ANSWER: Weight is defined as the mass of an object times the acceleration of gravity, thus the relationship is: weight = mass x gravity.
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Gravity has an effect on the weight of objects, including air. In fact, weight is the force acting on an object due to gravity.
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What is the single greatest advancement in tools used for observing tropical cyclones?
A) radar B) aircraft reconnaissance C) data buoys D) meteorological satellites
An igneous rock with no visible crystals ____
A)has a phaneritic texture B)cooled quickly in a magma chamber C)slowly on Earth's surface D)cooled quickly on Earth's surface E)is granite
Harnessing the energy of tides to generate electricity is different than the force moving the water in a hydroelectric power station at a dam because
A) tidal energy uses turbines and a dam uses generators. B) tidal energy ultimately relies on moon's gravity and hydroelectric power ultimately relies on the energy from the sun. C) tidal energy ultimately relies on ocean currents and hydroelectric power ultimately relies on the energy from the sun. D) tidal energy ultimately relies on the wind and hydroelectric power ultimately relies on the energy of rain.
For which of the following reasons does frost typically form on the inside of a windowpane rather than on the outside?
A. The inside of the pane is colder than the outside. B. There is less water vapour touching the inside of the pane. C. There is more water vapour touching the inside of the pane. D. The inside of the pane is just as warm as the outside.