Part A Determine the moment of force F about the x, the y. and the z axes. Assume F = 570 N. (Figure 1) Determine the moment of force F about the x axis. Express your answer to three significant figures and include the appropriate units. ? M = Value Units Submit Request Answer Figure 1 of 1 Part B Determine the moment of force F about the y axis.

A 110 g ball and a 240 g ball are connected by a 40-cm-long, massless, rigid rod. The balls rotate about their center of mass at 150 rpm. Part A What is the speed of the 110 g ball? Express your answer to two significant figures and include the appropriate units. V = μA Value Units ?

Part A A 5 N and a 10 N force act on an object. The moment arm of the 5 N force is 0.2 m. If the 10 N force produces five times the torque of the 5 N force, what is its moment arm? Express your answer in meters to one significant figure. ΙΠ ΑΣΦ Submit Request Answer ? m

A merry-go-round accelerates from rest to 0.70 rad/s in 30 s.     Part A Assuming the merry-go-round is a uniform disk of radius 8.0 m and mass 3.20×104 kg , calculate the net torque required to accelerate it. Express your answer to two significant figures and include the appropriate units.

I Re You're carrying a 3.6-m-long, 24 kg pole to a construction site when you decide to stop for a rest. You place one end of the pole on a fence post and hold the other end of the pole 35 cm from its tip. Part A For the steps and strategies involved in solving a similar problem, you may view a Video Tutor Solution. How much force must you exert to keep the pole motionless in a horizontal position? Express your answer in newtons. Vo AE F = N Submit Previous Answers Request Answer

Ⓒ Macmillan Learning A pipe system consists of three pipes with lengths L₁ = 1.80 m, L₂ = 0.600 m, and L3 = 2.50 m. A plumber pulls on the end of the pipe system, at the point P, with a force Fp = -24.0 Ni + 45.0 Nj + 35.0 NK. What is the torque 7 due to Fp about the origin? Enter your expression using ijk unit vector notation. 7 = Incorrect 4₁ P -43.2i +27j +87.5k N.m

Part A What is the angular momentum of a figure skater spinning at 2.6 rev/s with arms in close to her body, assuming her to be a uniform cylinder with a height of 15 m a radius of 16 cm, and a mass of 52 kg ? Express your answer using three significant figures and include the appropriate units. L= Value Submit Request Answer Units wg ?

Part A Determine the magnitude of the moment of the force F = {320i 200j + 160k}N about the x axis. (Figure 1) Express your answer to three significant figures and include the appropriate units. ? M = Value Units Figure < 1 of 1 Submit Request Answer Provide Feedback Ne: 0.3 m 0.4 m 0.2 m F

Part A Calculate the net torque about point O for the two forces applied as in the figure (Figure 1). The rod and both forces are in the plane of the page. Take positive torques to be counterciockwise. ■响 AL中 1 ? 28 -K T = N.m Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Provide Feedback Next > Figure <- 1 of 1 F2 = 12.0 N F = 8.00 N 30.0° 不2.00 m*ー3.00 m 业 MacBook Air 80 000 000 II DD F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 24 & %23

The three 170 g masses in (Figure 1) are connected by massless, rigid rods. Part A What is the triangle's moment of inertia about the axis through the center? Express your answer to two significant figures and include the appropriate units. ▸ View Available Hint(s) Figure 1 of 1 με I = Value Units Submit Part B ? What is the triangle's kinetic energy if it rotates about the axis at 4.4 rev/s ? Express your answer to two significant figures and include the appropriate units. ▸ View Available Hint(s) ם На Krot Value Units Submit 40 cm 60° Axis 40 cm 40 cm 60% Provide Feedback ?