2. N·m). Determine the moment of the 80N force about A. (Result: M= 7.71 20° 80 N 150 mm 60° A
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- 6. Consider the two vectors. 4-3-4j B = 6k a. What is the cross product AXB? b. What is the dot product A. B?90 N 40° L=1m 80 N 37° A 1/4 L 3/4 60 N The moment of force about A is approximately 37 Nm counterclockwise 54.7 Nm counterclockwise 29 Nm counterclockwise 12 Nm counterclockwise 70 N B 30° 50 NThe angle between 0 and 2pi in radians that is coterminal with the angle 14/15pi in radians is:
- The angular momentum of a rocket spiraling out of control is given by L = (3t² + 41-3/2) k . %3D What is the net torque on the rocket?Clockwise or CCWTwo particles are moving uniformly in opposite directions along parallel trajectories. The distance between the trajectories is d, as shown. Find: a. The total linear momentum of the particles. b. The angular momentum of the particles with respect to point O. c. Repeat part b. for points O, and O2. d. Answer the questions a through c if p, = p.
- Determine the total moment at A.WEE21 2(0.ss 26.ss) O= 400,9 %3D 6) .2m 2 metal disks, one with radius 20 cm and mass 0.5 kg, and the other with radius Sm 50 cm and mass 1 kg, are welded together and mounted on a frictionless axis through their common center. A light string is wrapped around the edge of the smaller disk, and a 1.50 kg block is suspended from the free end of the string. If the block is released from rest at a distance of 2.40 m above the floor, what is its speed just before it strikes the floor? answer in m/s, use g=10 m/s? laib totion ed R2 不 R 1.50 kg a) 2,32 b) 3,84 C) 8,41 d) 4.47