In comparing two unequal forces on a rigid body, is it possible to have the larger force produce less torque than the smaller force?
A. yes
B. no
C. insufficient information
Answer: A. yes
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The _____________ is 18 years and 11 1/3 days long
a. sidereal period b. synodic period c. eclipse season d. saros cycle e. eclipse year
Rotational Dynamics: A uniform solid cylinder of mass 10 kg can rotate about a frictionless axle through its center O, as shown in the cross-sectional view in the figure. A rope wrapped around the outer radius R1 = 1.0 m exerts a force of magnitude F1 = 5.0 N to the right. A second rope wrapped around another section of radius R2 = 0.50 m exerts a force of magnitude F2 = 6.0 N downward. How many radians does the cylinder rotate through in the first 5.0 seconds, if it starts from rest?
A. 13 rad B. 7.5 rad C. 5.0 rad D. 10 rad
At about what fraction of the speed of light do our fastest current spacecraft travel?
A) 1/2 B) 1/10 C) 1/100 D) 1/1000 E) 1/10,000
What would happen if you broke the glass at the top of the column in this barometer?
a. Nothing, except that the mercury would be exposed to the outside air. b. The mercury would drop so that the level inside the tube would be equal to that outside the tube. c. The height of the column would decrease, but it would still be higher than the level in the surrounding dish. d. The mercury level inside the tube would be much lower than the surrounding mercury liquid because of surface tension. e. The mercury level inside the tube would be much higher than the surrounding mercury liquid because of surface tension.