A ball hangs at rest from a string attached to the ceiling. The string pulls up on the ball with a force equal to its weight. The reaction to the upward force of the string on the ball is a ________ (direction) force exerted by the ________ on the ________.
What will be an ideal response?
downward, ball, string
down, ball, string
Physics & Space Science
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Define power in terms of both work and energy
What will be an ideal response?
Physics & Space Science
A trapeze artist, with swing, weighs 700 N; he is being held to one side by his partner so that the swing ropes make an angle of 40.0° with the vertical. In such a condition of static equilibrium, what is the tension in the rope?
a. 9.1E+2 N b. 5.4E+2 N c. 700 N d. 1.4E+3 N e. 9.6E+2 N
Physics & Space Science
Lightning in storms on Saturn produces bursts of radio waves
Indicate whether the statement is true or false
Physics & Space Science
Convection currents in the ____________ cause lithospheric plates to move across the Earth’s surface.
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science