02 Multiple Choice
A disk is mounted horizontally on an axle and is free to rotate around that axle. A force is going to be applied in the same plane as
the disk to generate a torque on the disk. In order to get the highest angular acceleration possible, where and how should that force
be applied?
A. Halfway between the axle and the edge, perpendicular to the edge (toward the axis)
B. at the edge but not tangentially or perpendicularly
C. Halfway between the axle and the edge tangentially
at the edge perpendicular to the edge (toward the axis)
D. At the edge tangentially
Answers: 1
Physics, 22.06.2019 03:40
Which types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light? check all that apply. radio waves infrared light microwaves gamma rays visible light x-rays
Answers: 2
Physics, 22.06.2019 14:30
Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?
Answers: 2
02 Multiple Choice
A disk is mounted horizontally on an axle and is free to rotate around that axl...
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