37.00 (a) Find the tension in each cable supporting the 6.00 × 10²-N cat burglar in Figure P4.35. (b) Suppose the hori- zontal cable were reattached higher up on the wall. Would the tension in the other cables increase, decrease, or stay the same? Why? 600 N Figure P4.35
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- A 250.0 N box is placed on a horizontal surface and a force of 150 N is applied at anangle of 30.0o from the horizontal. As a result, the box slides along the surface with anacceleration of 05.00 m/s2What is the coefficient of friction between the box and the surface?5.93 In terms of m₁, Figure P5.93 m2, and g, find the accel- eration of each block in Fig. P5.93. There is no friction anywhere in the system. & O 00 S IS m₁ F m223. Two identical boxes are being pulled across a horizontal fl oor at aconstant velocity by a horizontal pulling force of 176 N that is applied toone of the boxes, as the drawing shows. There is kinetic friction betweeneach box and the fl oor. Find the tension in the rope between the boxes.
- (a) Calculate the tension (in N) in a vertical strand of spiderweb if a spider of mass 7.00 x 105 kg hangs motionless on it. (Enter a number.) N (b) Calculate the tension (in N) in a horizontal strand of spiderweb if the same spider sits motionless in the middle of it much like the tightrope walker in the figure. 5.0° 5,0° T. TR T I Ta w The strand sags at an angle of 12.0° below the horizontal. (Enter a number.) N Compare this with the tension in the vertical strand (find their ratio). (Enter a number.) (tension in horizontal strand)/(tension in vertical strand) =(a) Calculate the tension (in N) in a vertical strand of spiderweb if a spider of mass 5.00 x 10¯º kg hangs motionless on it. (Enter a number.) N (b) Calculate the tension (in N) in a horizontal strand of spiderweb if the same spider sits motionless in the middle of it much like the tightrope walker in the figure. 5.0° 5.0° T. w T. TR The strand sags at an angle of 12.0° below the horizontal. (Enter a number.) N Compare this with the tension in the rtical strand (find their ratio). (Enter a number.) (tension in horizontal strand) / (tension in vertical strand)an object weighing 65N is helf up on the air by two ropes. the first rope points uo to the right 30 degrees aboe horizontal and the other rope points up to the left at 45 degrees above horizontal. what is the tension in the two ropes?
- A 16-year-old employee working for Southern Virginia College's (SVC) bookstore during the summer months is helping prepare for Fall salesIt's a good way to make extra money, and the teen is saving for a car. Books from one supplier are shipped to the SVC bookstore in large crates equipped with rope handles on all sides. On one occasion, the teen momentarily pulled with a force of 669 N at an angle of 35.3above the horizontal to accelerate a 124-kg crate of books. The coefficient of friction between the crates and the vinyl floor is 0.588. Determine the acceleration experienced by the crate in m / (s ^ 2) Use the approximation g = 10; m / (s ^ 2)A stone w/ mass 40 kg SHS at bottom of bucket. A String of length .om is attached to bucket and the whole thong maes m crces/ sped 4,6 mLS. What os the magnitude af the force the Stone Caerts n the buket at the lasest pant of trajectory?Three cables are used to tether a balloon as shown. Determine the vertical force P exerted by the balloon at A knowing that the tension in cable AB is 259 N.
- A student pulls a box of books on a smooth horizontal floor with a force of100 N in a direction of 30.0◦above the horizontal. The mass of the box and the booksis 40.0 kg. Calculate the normal force acting on the box. Calculate the distance the box of books will travel if the student pullsfor 8.0 s.A sled of mass 2.1 kg is on perfectly smooth surface. A string pulls with a tension of 25.1 N. At what angle in degrees above the horizontal must the string pull in order to achieve an accelerations of 2.5 m/s?? (make sure to check your calculator to be in degrees). O1.36 O 12.03 0.21 O 77.93(a) What is the maximum frictional force in the knee joint of a person who supports 66.0 kg of her mass on that knee? (b) During strenuous exercise, it is possible to exert forces to the joints that are easily 10 times greater than the weight being supported. What is the maximum force of friction under such conditions? The frictional forces in joints are relatively small in all circumstances except when the joints deteriorate, such as from injury or arthritis. Increased frictional forces can cause further damage and pam.