The object shown below (length = 6 m) remains completely stationary, despite the fact that three forces act on it. Forces 1 and 3 act at either end, while force 2 acts 1/4 of the way from the left end. new-torque-prob If the size of force 3 is 4 N, then how large must the other two forces be? F1 = F2 = N

Q2 Problem 2 Problem 2 Calculate the net torque on the square shown below about the axis through its center. The three forces pictured are the only forces on the square. 3ON 20N ISN 450 20 cm

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.

3 Torque A 16 cm, 10 g pencil, with mass evenly distributed along its length, is held horizontally at rest between a person's thumb and index finger as shown. The index finger touches the pencil 2 cm from its end and the thumb touches it 4 cm from the same end. Index Finger 2 cm cm 10 g Thumb Problem 3.1. If the thumb and index finger exert vertical forces only, what is the magnitude and direction of each of these forces?

#10 Hanging Signs, Tension, and Torque A 50 kg sign for a local business is hung from a bar which meets a wall at right angles as shown in Figure 3. The bar is 1.5 meters long, and its mass may be neglected. The center of mass of the sign is 1.0 meters from the wall (but 0.50 meters from the tip of the cable) as indicated. A cable (we assume it to be massless) extends from the end of the rod to the wall. Assume the rod is attached to the wall with a joint which permits the rod to rotate freely. The angle between the cable and the bar is 30°. What is the tension in the cable? Use g = 9.8 m/s². 1.0 m 0.50 m sign weight force Figure 3: Configuration of sign, rod, and cable Α. 220 Ν ОВ. 360 N O C. 460 N O D. 650 N

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°

18 Part A In (Figure 1), what is the net torque about the axle? Express your answer using two significant figures and include the appropriate units. HẢ ? デ= Value Units Submit Request Answer Provide Feedback Figure < 1 of 1 30 N 4.0 cm 20 N

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