The fundamental force that is the principal cause of what we experience as frictional forces is:
A. gravitational force
B. electromagnetic force
C. weak force
D. strong force
B. electromagnetic force
Physics & Space Science
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In the reaction 2Al + 3F2? 2AlF3, the aluminum
a. is reduced. b. gains electrons. c. is oxidized. d. is the catalyst.
Physics & Space Science
On what basis are we sure that no quasar is lurking among the thousands of member galaxies in the Virgo Cluster, 18 Mpc distant?
What will be an ideal response?
Physics & Space Science
The darkness of the night is due in part to the cosmological redshift, with the energy of the most distant objects diluted in the universal expansion
Indicate whether the statement is true or false
Physics & Space Science
While ________ rotation axis is only tilted 29 degrees, its magnetic fields are just as strange as its twin's
Fill in the blank(s) with correct word
Physics & Space Science