Moment of inertia is A. vector B. scalar C. phasor D. tensor
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Moment of inertia is
A. vector
B. scalar
C. phasor
D. tensor
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- 4. The position vector of a particle that lies in the xy plane and is given by r = (5.0î - 3.0ĵ)m. A force is applied to the particle. F = 10 NÊ. Determine the torque vector.A. less than initial angular momentum before the person moves B. same as initial angular momentum before the person moves C. greater than initial angular momentum before the person movesIf an object is in equilibriuim, the net torque about any arbitrary axis must be zero. A. True B. False
- a. How fast in revolutions per minute must a centrifuge rotate if a particle 7.0 cm from the axis of rotation is to experience an acceleration of 100000 g's? b. Moment of inertia of a long (one-dimensional) uniform rod of mass M and length L2 through the center of the rod is equal to :a. 1/3 ML2 b. 1/6 ML2 c. 3/8 ML2 d. 2/5 ML2 e. 1/12 ML2A 270-g mass hangs from a string that is wrapped around a pulley, as shown in the figure. The pulley is suspended in such a way that it can rotate freely. When the mass is released, it accelerates toward the floor as the string unwinds. Model the pulley as a uniform solid cylinder of mass 1.00 kg and radius 7.00 cm. Assume that the thread has negligible mass and does not slip or stretch as it unwinds. Determine the magnitude a of the pulley's angular acceleration. rad/s? a = Determine the magnitude of the acceleration a of the descending weight. m/s? Question Source: Freedman College Physics 3e Publisher: Macmillan a =4. Describe what is meant by moment of inertia. What variables does it depend on? What role does it play?
- Which of the following ARE correct? a.If net force is zero, angular momentum is conserved. b.if net force is zero, linear momentum is conserved. c.if net torque is zero, angular momentum is conserved. d.If net torque is zero, linear momentum is conserved.Number 4 needs answered> V in, d, -2.89 in. and dy 1.7 in.. Part A Determine the moment of inertia for the area about the y axis. dx Slavinan