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- What is the maximuim torque he could exert with a force of this magnitude?
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- The biceps muscle exerts a muscle force of 1000N on the forearm, as per below. The muscle force acts at an angle of 30deg to the forearm. How large are the horizontal and vertical components of this force that holds the forearm in place?35.0° Dinysics Demos SuDDly Co. The pole is held horizontally by a massless wire under 305 N of tension, connected at a 35° angle. A 8 kg sign hangs from the end of the 4 meter pole. The pole has mass 4 kg. How far away is the wire is attached from the wall? Answer in meters to 3 sig figs.The flanged steel cantilever beam with riveted bracket is subjected to the couple and two forces shown, and their effect on the design of the attachment at A must be determined. Replace the two forces and couple by an equivalent couple M and resultant Rat A. The couple is positive if counterclockwise, negative if clockwise. 2.19 KN 0.65 m 1.74 m. 75° A Answers: M = i R=( i y 550 N.m kN.m i+ i 0.16 m 0.16 m 1.17 KN j) kN
- Three forces pull an object: F1 = 50 N towards the +x; F2 = 50 N towards the +y and F3 = 70 N, 30o below –x. What force will balance the three?The upper leg muscle (quadriceps) exerts a force of Fo= 1300 N, which is carried by a tendon over the kneecap (the patella) at the angles shown in the figure below. 55 Fo 75° Find the magnitude in newtons and direction in degrees counter-clockwise from an axis directed to the left of the force exerted by the kneecap on the upper leg bone (the femur). magnitude N direction ° counter-clockwise from an axis directed to the leftThe pulley system holding a crate of unknown weight is at equilibrium. Cord BD can support a maximum load of FBD = 1860 N. www D 01 A B a. Determine the maximum weight of the crate, W. b. Determine the angle 0₁. Round your final answers to 3 significant digits/figures. ) N W = 0₁ = 12 5 13 degrees
- A uniform plank of length 2.00 m and mass 31.0 kg is supported by three ropes, as indicated by the blue vectors in the figure below. Find the tension in each rope when a 680-N person is d = 0.500 m from the left end. magnitude ofT magnitude of T, magnitude of T, N N N 40.0° 2.00 mA 104.8N tightrope walker stands at the center of the rope such that each half of the rope makes an angle of 8 degrees with the horizontal. What is the tension in the rope? ROUND TO 3 DECIMAL PLACESA uniform plank of length 2.00 m and mass 26.0 kg is supported by three ropes, as indicated by the blue vectors in the figure below. Find the tension in each rope when a 710–N person is d = 0.500 m from the left end. Answer the 3 boxes below:
- A uniform plank of length 2.00 m and mass 31.0 kg is supported by three ropes, as indicated by the blue vectors in the figure below. Find the tension in each rope when a 685-N person is d = 0.500 m from the left end. magnitude of IN N magnitude of T magnitude of ₂ N Need Help? L 1₁. T₂C -2.00 m Read It Watch It 40,0⁰Two children push on opposite sides of a door during play. Both push horizontally and perpendicular to the surface of the door. One child pusnes witn a force of 19.5 N at a distance of 0.595 m from the hinges, and the second child pushes at a distance of 0.465 m. What is the magnitude of the force, in newtons, the second child must exert to keep the door from moving? Assume friction is negligible. F, =The figure below shows an arm that is balancing a carton of milk in the hand. The mass of the carton of milk is 1.07 kg, and F in the figure is the gravitational force on the carton. The biceps muscle applies a force F to the forearm directed up and to the right at an angle of 75.00 from vertical. The point where F is applied to the forearm is 8.00 cm to the left of the elbow joint and 25.0 cm to the right of the center of gravity of the milk carton. (For simplicity, ignore the weight of the forearm.) Milk 75.0 25.0 cm 8.00 cm What is the magnitude of F (in N)? B t