In Figure 9.20, the center of gravity (CG) of the 5.0-kg pole held by the pole vaulter is 2.00 m from the left hand, and the hands are 0.700 m apart. Calculate the force exerted by his lefthand. (include the direction by indicating positive or negative)
Q: In the figure below, a constant horizontal force F app of magnitude 13 N is applied to a uniform…
A:
Q: m1 = 6.0 kg at (0.0, 0.0) m, m2 = 2.3 kg at (0.0, 4.3) m, and m3 = 4.0 kg at (3.9, 0.0) m. Determine…
A:
Q: Problem 4 P 60° A 160-lb force P is applied at Point A of a structural member. Calculate (a) the…
A:
Q: A person bends forward to hold a dumbbell of 10.0-kg. The spine and upper body are pivoted at the…
A:
Q: A carpenter's square has the shape of an L as shown in the figure below. Locate its center of…
A:
Q: What is the torque about your shoulder axis if you hold a 10.0 kg barbell in one hand straight out…
A:
Q: ew Policies urrent Attempt in Progress (a) Number (b) Number Force F (7.26 N )-(7.05 N) acts on a…
A:
Q: (a) The fishing pole in the figure below makes an angle of 20.0° with the horizontal. What is the…
A:
Q: sculpture is 4.00 m tall and has its center of gravity located 1.80 m above the center of its base.…
A:
Q: Suppose a 417 kg alligator of length 3.3 m is stretched out on a board of the same length weighing…
A:
Q: Determine the net torque on the 3.5-mm-long uniform beam shown in the figure. 1.Calculate about…
A:
Q: A carpenter's square has the shape of an L as shown in the figure below. Locate its center of…
A:
Q: Problem 7.07. To do a push-up, Alice must exert a force with her arms against her center of gravity.…
A: Given, Mass of the person, m = 55.3 kg distance center of gravity from her feet, d = 1.00 m distance…
Q: A man holds a 167-N ball in his hand, with the forearm horizontal (see the figure). He can support…
A:
Q: Find the x- and y-coordinates of the center of gravity for the boomerang as in (a) of the figure…
A: Length , L = 0.232 mMass, m = 0.290 kgTo find = x and y co-ordinates of center of gravity of the…
Q: A hammer strikes a nail, driving it into a board. How does the magnitude of the force that the…
A: Note: as per guidelines only one question should be answered, so kindly post the remaining question…
Q: (1.31 N )i - (9.69 N k 7 = (4.50 m )j - 3.95 m Force acts on a pebble with position vector relative…
A: a) The resulting torque acting on the pebble about origin will be,
Q: One person was doing a knee extensor muscle training, he used a dumbbell (mass = 10.2 kg) strapped…
A: Please see the explanation for the answer. If you have any questions, just comment down. Thank…
Q: A weightless rod, 4.0 m long, supports three weights as shown. Where is its center of gravity? xCM…
A:
Q: You hold a softball with a weight of 1.80 N in your hand as shown in the figure. Your arm is moving,…
A:
Q: Elements of the lower arm are shown in the figure. The weight of the forearm is Q = 55 N and its…
A:
Q: A man holds a 195-N ball in his hand, with the forearm horizontal (see the figure). He can support…
A:
Q: The fishing pole in the figure makes an angle of 20.0o with the horizontal. What is the torque…
A:
Q: A uniform metal bar of length L and mass M is mounted to an axle that passes through its center of…
A: Recall that torque is the twisting force that causes an object to rotate. The torque can be found…
Q: To get up on the roof, a person (mass 70.0 kg) places a 6.00 m aluminum ladder (mass 10.0 kg)…
A: Given data: M=70.0 kg m=10.0 kg l=6 m x=2 m xcm=2m X=3 m where, M is the Mass of the person m Mass…
Q: In the figure below, the cg of the pole held by the pole vaulter is 2.54 m from the left hand, and…
A: a) Balancing moment about left hand ∑F = 0.733 FR - (2.54 x 3.32 x 9.8) => FR = 112.7 N ( the…
Q: To get up on the roof, a person (mass 62.0 kg) places a 6.80 m aluminum ladder (mass 11.0 kg)…
A:
Q: You hold a 1.80-N softball in your hand as shown in the figure. Consider your forearm and hand to be…
A:
In Figure 9.20, the center of gravity (CG) of the 5.0-kg pole held by the pole vaulter is 2.00 m from the left hand, and the hands are 0.700 m apart. Calculate the force exerted by his lefthand.
(include the direction by indicating positive or negative)
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 1 images
- Subject: physicsASK YOUR TEACHER PRACTICE ANOTHER The chewing muscle, the masseter, is one of the strongest in the human body. It is attached to the mandible (lower jawbone) as shown in figure (a). The jawbone is pivoted about a socket just in front of the auditory canal. The forces acting on the jawbone are equivalent to those acting on the curved bar in figure (b). DETAILS SERCP11 8.3.P.033. Mandible magnitude of R magnitude of Masseter Need Help? -7.50 cm - 3.50 cm is the force exerted by the food being chewed against the jawbone, is the force of tension in the masseter, and is the force everted by the socket on the mandible. Find and i (in N) for a person who bites down on a piece of steak with a force of 53.5 N MY NOTESA carpenter's square has the shape of an L as shown in the figure below. Locate its center of gravity. (Take (x, y) = (0, 0) at the intersection of d, and d Assume d, 16.0 cm, d₂ 6.00 cm, d, 6.00 cm, and d = 13.0 cm.) 3.94 x You can consider the carpenter's square to consist of two rectangles positioned at 90 degrees to each other., 6.88 How do you determine the center of mass of an object made up of extended objects?) cm Fachdidilad Hak Need Help? Watch It Additional Materials eBook X
- A man is holding a 2.80-kg ball, as shown in the figure. The distance from the elbow joint to the ball is d= 32.5 cm, and the distance from the elbow joint to the insertion of the triceps muscle is d= 2.50cm. The mass of the lower arm, including the hand, is 3.60 kg, and its center of gravity is at a distance d= 13.6cm from the elbow joint. a)Draw a free body diagram of the forearm. b)What is the magnitude of the force FM, exerted by the triceps? c)What is the force exerted by the humerus on the elbow joint?Alunch tray is being held in one hand, as the figure illustrates. The mass of the tray itself is 0.237 kg, and its center of gravity is located at its geometrical center. On the tray is a 1.19-kg plate of food and a 0.241-kg cup of coffee. Obtain (a) the force 7 exerted by the thumb and (b) the force exerted by the four fingers. Both forces act perpendicular to the tray, which is being held parallel to the ground. 0.400 m 0.380 m 0.240 m 0.100 m 0.0600 m henc hencTwo blocks, each of mass 2 kg are suspendedfrom the ends of a rigid massless rod of lengthL. The rod is held horizontally on the fulcrumand then released. The length L1 is 15 cm andthe length L2 is 85 cm. Draw the force diagram for the rod. Clearly label all forces. Write Newton’s 2nd Law equation: (for F of y) Write Newton’s 2nd Law equation: (for net torque) What is the magnitude of the linear acceleration of the block closest to the fulcrum? What is the magnitude of the linear acceleration of the block furthest from the fulcrum?
- The cg of the pole held by the pole vaulter is 2.00 m from the left hand, and the hands are 0.700 m apart. Calculate the force exerted by (a) his right hand and (b) his left hand. (c) If each hand supports half the weight of the pole in Figure 9.18, show that the second condition for equilibrium is satisfied for a pivot other than the one located at the center of gravity of the pole. Explicitly show how you follow the steps in the Problem-Solving Strategy for static equilibrium described above.Don't use chat gpt It Chatgpt means downvoteThe drawing below shows two forces acting on a rigid beam. The blue dot is the center of mass of the beam. The forces (red arrows) are equal in magnitude. Consider the net force on the beam and net torque about its center. Which of the following statements are true? Check ALL that apply. The net force is zero. The net force is not zero. The net torque is zero. O The net torque is not zero.
- A man holds a 195-N ball in his hand, with the forearm horizontal (see the figure). He can support the ball in this position because of the flexor muscle force M , which is applied perpendicular to the forearm. The forearm weighs 20.7 N and has a center of gravity as indicated. Find (a) the magnitude of M and the (b) magnitude and (c) direction (as a positive angle counterclockwise from horizontal) of the force applied by the upper arm bone to the forearm at the elbow joint. Upper arm bone- Flexor muscle M Elbow cg joint 0.0510 m+ 0.0890 m -0.330 m- (a) Number i Units (b) Number i Units (c) Number i Units >The swimmer in the figure below propels himself forward by exerting a 138 N backward force on the water with his hand. He experiences a forward reaction force F of magnitude 138 N. Find the magnitude and direction of the torque exerted on the arm by F about an axis through point O. (Let d = 43.0 cm.) magnitudeThe center of mass of the arm shown in the figure is at point A. Find the magnitudes (in N) of the tension force F and the force F which hold the arm in equilibrium. (Let 8 = 24.0°.) Assume the weight of the arm is 48.3 N. IF 8.00 cm 29.0 cm 1₂ 354 X Draw a diagram showing the forces and distances. Find the sum of the torques about point O, and set this equal to zero. Solve your equation for F₁. N 340.30 X Apply Newton's second law in the x and y directions, and solve for F Sx Pythagorean theorem to calculate F. . N and F You will need your value of F. Then use the sy'