The angular acceleration of the system's center of mass is  -2 rad/s2, and the acceleration of the system's center of mass is 0 m/s2. Which statements are correct? A) The net torque of the system is 0. B) The net torque on the system is not 0. C) The net force acting on the system is 0. D) The net force acting on the system is not 0. E) The velocity of the system's center of mass must be 0. F) The velocity of the system's center of mass must be non-zero. G) Does not provide sufficient information to determine the centroid velocity of the system.

A dentist using a dental drill brings it from rest to maximum operating speed of 360,000 rpm in 4.0 s. Assume that the drill accelerates at a constant rate during this time. (a) What is the angular acceleration of the drill in rev/s2? rev/s2 (b) Find the number of revolutions the drill bit makes during the 4.0 s time interval. rev

5. The figure below illustrates an Atwood's machine. Let the masses of blocks A and B be 4.00 kg and 2.00 kg, respectively, the moment of inertia of the wheel about its axis be 0.100 kg.m² and the radius of the wheel be 0.500 m. a) Find the linear acceleration of block A and block B if there is no slipping between the cord and the surface of the wheel b) Find the tension in right side of the cord if there is no slipping between the cord and the surface of the wheel c) Find the tension in left side of the cord if there is no slipping between the cord and the surface of the wheel.

Two forces equal in magnitude and opposite in direction, acting on an object at two different points, form what is called a couple. Two antiparallel forces with equal magnitudes F₁ F2 = 6.40 N are applied to a rod as shown in the figure (Figure 1) Figure -3.00 m →→ < 1 of 1 Part A What should the distance between the forces be if they are to provide a net torque of 5.60 N-m about the left end of the rod? Express your answer in meters. 1 = 15| ΑΣΦ Submit Request Answer ? Review | Constants m

31 - The angular momentum of a flywheel with a moment of inertia of 0.14 kg.m ^ 2 decreases from 3 kg.m ^ 2 / s to 0.8 kg.m ^ 2 / s at 1.50 s. What will be the magnitude of the average torque applied to the flywheel relative to its central axis during this time?A) -2.99 N.mB) 4.22 N.mC) 2.86 N.mD) -7.11 N.mE) -1.47 N.m

Physics 212 - Module 5 Hands On Activities Packet 3. The torque due to a force Facting at a displacement from the axis of rotation is given by 7 = 7x F. The force is at oriented 110⁰ ccw from +x and is oriented at 60° from +x. Determine the magnitude and direction of the torque. Student Add Name Here 20 N VL 3m > +x

A 95 N force exerted at the end of a 0.50 m long torque wrench gives rise to a torque of 15 N. m. What is the angle (assumed to be less than 90°) between the wrench handle and the direction of the applied force? A) 20° B) 25° 18° 22°

Ferrari Testarossa uses a single lug nut.The bolts on a normal car wheel require tightening to a torque of 90N∙m. If a 30 cm long wrench is used, what is the magnitude of theforce required when the force is perpendicular to the wrench?A) 300 NB) 150 NC) 30 ND) 15 N