Figure 4.0 cm 30 N 20 N 1 of 1 In (Figure 1), what is the net torque about the axle? Express your answer in newton-meters to two significant figures. T= - ΑΣΦ Check your signs. No credit lost. Try again. Submit Provide Feedback → (3 ? Previous Answers Request Answer N.m

Plz use g = 9.8 m/s2 to find if needed

A wheel of inner radius r, = 13.4 cm and outer radius r, = 35.0 cm shown in the figure below is free to rotate about the axle through the origin O. What is the magnitude of the net torque on the wheel due to the three forces shown? (Assume F, = 3.80 N, F, = 6.60 N, and F = 14.6 N.) N. m 45.0 F,

A horizontal plate OAB of a triangular shape is pivoted at point O. Three forces act on the plate as shown in the figure. Fl = 6.O N, F2 = 8.0 N, and F3 = 7.0 N. F2 is perpendicular to OB. Find the net torque (in N.m) about the vertical axis passing through point O (Consider the counterclockwise sense as positive). 30° A 1.00 m 0.60 m B 1 45°/0 0.80 m

Determine the net torque on the 2.8-m-long uniform beam shown in the figure. All forces are shown. (Figure 1) Part A Calculate about point C, the CM. Take counterclockwise torques to be positive. Express your answer using two significant figures. Figure 1 of 1 56 N Tabout C = m- N 65 N Submit Previous Answers Request Answer 45 Part B Calculate about point point P at one end. Take counterclockwise torques to be positive. Express your answer using two significant figures. 58 52 N

Tom and Jerry both push on the 3.00-m-diameter merry-go-round shown in (Figure 1). Tom pushes with a force of 50.0 N and Jerry pushes with a force of 33.0 N . What is the net torque on the merry-go-round? Express your answer to three significant figures and include the appropriate units.   What is the net torque if Jerry reverses the direction that he pushes by 180∘ without changing the magnitude of his force? Express your answer to three significant figures and include the appropriate units.

Topic 2 –       Summation of Forces Forces are given; Force 1 = 12 N @ 1100 Force 2 =  15 N @2600 Force 3 = 5 i – 6 j N 1.     Find the resultant force if they are all added? 2.     What are the magnitude and angular direction of the sum of the vectors?  3.  F1 o F2=_______________  (Dot Product) 4.  F1 x F3 = ________________  (Cross Product)

1) Choose the three "bridge" equations between translational quantities and rotational quantities from the list below.   A. Δx = RΔθ   B. vt = Rat   C. at = Rα   D. at = R/α   E. ω = Rθ   F. vt = Rω 2) Match the following angular velocity              A.I, kg·m2     angular displacement        B.Δθ angular acceleration          C.½Iω2 moment of inertia              D.α tangential velocity              E.ΣΤ = Iα tangential acceleration      F.Iω = mvR centripetal acceleration      G.Rω arc length                         H.w rotational kinetic energy  I.RΔθ angular momentum            J.Rω2 Newton's 2nd Law of Rotation        K.Rα 3) For a body to be in static equilibrium, what two equations must be solved together?   A. mechanical energy = 0 and net force = 0   B. net torque = 0 and net work = 0   C. net force = 0 and net torque = 0   D. net work = 0 and net force = 0 4)From Newton's Law of Gravitation, the quantity…

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