A 25 N force F is applied to a bar that can pivot around its end as shown below. The force is r = 0.75 m away from the end and at an angle 0 = 60°. What is the torque on the bar? a. O Nm b. 16 Nm C. -16 Nm F d. -19 Nm
Q: status: QUESTION 31 A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With…
A: As per guidelines we are suppose to do only one question from multiple questions, kindly post other…
Q: Determine A. the force on ab B. the force on bc C.the torque on abcd
A:
Q: A ring and a disk have the same mass and radius. Which has the greater moment of inertia? a. Not…
A: Moment of inertia of ring = MR2 Moment of inertia of disc = MR2/2
Q: Calculate the torque about the z-axis that is out of the page at the origin in the following figure,…
A: Given Force, F1=3.10N,F2=1.90N, F3=3.00N,F4=1.80N Distance of each force, r1=3.1m, r2=2.2m,r3=0m,…
Q: A diver curls up on diving to do flips, then straightens as she enters the water. Which of these is…
A: The product of the body's angular velocity and its moment of inertia is the angular momentum of the…
Q: 5. Four 10 N forces are applied on a 3 m long uniform bar. d = 1m. Find the net torque about the…
A: The center of the bar is in the middle since the bar is a long, uniform bar. Recall that a torque…
Q: 5. (8 pt) Balls are attached to light rods and can move in horizontal circles as shown in the…
A: In the 1st figure angle between r and F =90degree.so Torque1 =rFsin90°=rF. In the 2nd figure angle…
Q: An old-fashioned tire swing exerts a force on the branch and a torque about the point where the…
A:
Q: How much torque would it take to make the wheel speed up from rest to 1.5 rev/sec in 10 sec? b. Now…
A: The moment of inertia of a rigid body is the sum of the products of the masses of all the particles…
Q: Torque A solid steel wheel has a mass of 15 kg and a diameter of 0.44 m. It starts at rest. You want…
A: Given:- Mass of the wheel m= 15 kg The diameter of the wheel d = 0.44 m The speed of the wheel is…
Q: 7. A solid, uniform, spherical boulder starts from rest and rolls down a 50.0-m-high hill, as shown…
A: Total kinetic energy of the rolling body K.ETotal =12mv2 +12Iω2 According to energy conservation,…
Q: As shown in the figure, a given force is applied to a rod in several different ways. In which case…
A: Let r denotes the distance of the point where the force is applied from the pivot, F denotes the…
Q: What's true about angular momentum? a. Angular momentum is conserved as long as the system is not…
A: Angular momentum is conserved when the system is not acted on by any external torques. (Torque due…
Q: Determine the net torque (about point P at one end) of the 4.0-m-long uniform beam shown in the…
A:
Q: For items 7-13 choose the letter of the best answer. No need to give explanations. 7. A force of 17…
A:
Q: The forearm in the figure(Figure 1) accelerates a 3.8 kg ball at 7.1 m/s² by means of the triceps…
A: GIVEN mass of ball = 3.8 kg acceleration = 7.1 m/s2
Q: A seasaw is in the rotational equilibrium. Net torque on the seasaw is measured to be A. 9.8 Nm…
A: A seesaw is in rotational equilibrium.Net torque on the seesaw is measured to be A. 9.8 Nm…
Q: Use equilibrium equations and Free body diagrams.
A: Given data:Torque at point B: T1 = 2000N.mThe loaded shaft is below.Sign convention: according to…
Q: 4. Determine the moment about point A of each of the three forces acting on the beam. คําตอบ: Mo…
A: We are given magnitudes of 3 forces. We first find the component of 2nd force perpendicular to the…
Q: If the moment of inertia increases, the angular velocity. O A. Increases. B. Decreases. OC. Keep…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- A 17N of force is applied on the door handle at 90 degrees. Lever arm is measured to be 5 cm. Torque produced on the door is calculated to be A. 0 Nm B. 85 Nm C. 8.5 Nm D. 0.85 Nm6. Calculate the net torque about point O for the two forces applied as in figure shown. F₂=12.ON 0 30° 2.00m 3.00m F₂=4.ON1. How can the same force applied to a lever produce different torques? A. By applying the force at different points of the lever arm along the length of the lever or by changing the angle between the lever arm and the applied force. B. By applying the force at the same point of the lever arm along the length of the lever or by changing the angle between the lever arm and the applied force. C. By applying the force at different points of the lever arm along the length of the lever or by maintaining the same angle between the lever arm and the applied force. D. By applying the force at the same point of the lever arm along the length of the lever or by maintaining the same angle between the lever arm and the applied force.
- A 154 g frisbee is 34 cm in diameter and has half its mass spread uniformly in a disc, and the other half concentrated in the rim. With a quarter turn flick of the wrist a student sets the frisbee rotating at 650 RPMs. A) what is the rotational inertia of the frisbee? B) what is the magnitude of the torque, assumed constant, that the student applies?Which option is it?If point on a front wheel of the bicycle tire completes exactly eight turns, what can be said about the linear and angular acceleration of point . a. Only the angular displacement is zero. b. Only the linear displacement is zero. c. Neither is zero. d. Both are zero.
- The angular velocity of a rigid body is shown in the graph below. What is its angular displacement between t = 0 and t = 4 s? a.20 rad b.80 rad c.60 rad d.40 radA. less than initial angular momentum before the person moves B. same as initial angular momentum before the person moves C. greater than initial angular momentum before the person movesA constant net torque is applied to an object. Which one of the following will NOT be constant? A. All the above are constant B. Angular acceleration C. Moment of inertia D. Center of gravity E. Angular velocity
- During angular motion, what is the relationship between the length of the moment arm and the torque created (when the force used is constant)? a. The shorter the moment arm, the greater the torque. b. The longer the moment arm, the greater the torque. c. Torque and force will remain constant. d. The moment arm is equal to force times the torque. e. Moment arm length and torque production are not related. this is for biomechancisA force F is applied perpendicular to a rod at a distance l away from the axis of rotation. Which of the following is TRUE about the torque on the rod? Explain why.A. Torque is parallel to force FB. The longer the lever arm, the smaller the torque. C. When the magnitude of F is doubled, the torque is halved. D. Torque is perpendicular to the lever armTwo boys with masses of 40 kg and 60 kg stand on a horizontal frictionless surface holding the ends of a light 10-m long rod. The boys pull themselves together along the rod. When they meet the 40-kg boy will have moved what distance? O a. 5 m O b. need to know the forces they exert O d. 10 m O e. 6 m