Physics Physics Practice Problems Solutions Library

# Torque Due to Weight Solutions Library

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17 solutions

Torque Due to Weight

#### Q. A 4m, 500kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. a 70kg w...

Solved • Jun 8, 2021

Torque Due to Weight

#### Q. A purple beam is hinged to a wall to hold up a blue sign. The beam has a mass of mb = 6.3 kg and the sign has a mass of ms = 15.1 kg. The length of...

Solved • May 25, 2021

Torque Due to Weight

#### Q. Torques and tug-of-war. In a study of the biomechanics of the tug-of-war, a 2.0-m-tall, 80.0 kg competitor in the middle of the line is considered ...

Solved • May 12, 2021

Torque Due to Weight

#### Q. The uniform rod in Figure 15 has a weight of 14.0 N. What is the magnitude of the normal force exerted on the rod by the surface?A. 7NB. 14 NC. 20 ...

Solved • May 12, 2021

Torque Due to Weight

#### Q. A gymnast with mass m1= 46 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2= 116 kg and length L ...

Solved • Feb 26, 2021

Torque Due to Weight

#### Q. The 4.0 kg, uniform, horizontal rod in(Figure 1) is seen from the side.What is the gravitational torque about the point shown?

Solved • Jul 24, 2020

Torque Due to Weight

#### Q. Consider a rigid steel beam of length L = 14.5 m and mass m = 380 kg resting on two supports, one at each end. A worker of mass m, = 62 kg sits on ...

Solved • Jul 20, 2020

Torque Due to Weight

#### Q. A uniform beam of length L and mass M has its lower end pivoted at P on the floor . making an angle θ with the floor. A horizontal cable is attache...

Solved • Jul 13, 2020

Torque Due to Weight

#### Q. When you lift an object by moving only your forearm, the main lifting muscle in your arm is the biceps. Suppose the mass of a forearm is 1.00 kg. I...

Solved • May 31, 2020

Torque Due to Weight

#### Q. When you lift an object by moving only your forearm, the main lifting muscle in your arm is the biceps. Suppose the mass of a forearm is 1.00 kg. I...

Solved • May 31, 2020

Torque Due to Weight

#### Q. When you lift an object by moving only your forearm, the main lifting muscle in your arm is the biceps. Suppose the mass of a forearm is 1.00 kg. I...

Solved • May 21, 2020

Torque Due to Weight

#### Q. You're carrying a 3.8-m-long, 23kg pole to a construction site when you decide to stop for a rest. You place one end of the pole on a fence post an...

Solved • Apr 28, 2020

Torque Due to Weight

#### Q. If you hold your arm outstretched with palm upward, as in the figure, the force to keep your arm from falling comes from your deltoid muscle. The a...

Solved • Apr 23, 2020

Torque Due to Weight

#### Q. A 37 kg , 5.0-m-long beam is supported, but not attached to, the two posts in the figure. A 20 kg boy starts walking along the beam. How close can ...

Solved • Apr 14, 2020

Torque Due to Weight

#### Q. The figure shows two thin beams joined at right angles. The vertical beam is 15.0 kg and 1.00 m long and the horizontal beam is 25.0 kg and 2.00 m ...

Solved • Apr 8, 2020

Torque Due to Weight

#### Q. The center of mass of a 0.40 kg (non-uniform) meter stick is located at its 47-cm mark. What is the magnitude of the torque (in N·m) due to gravity...

Solved • Mar 18, 2020

Torque Due to Weight

#### Q. A diving board of length 3.00 m is supported at a point 1.00 m from the end, and a diver weighing 510 N stands at the free end. The diving board is...

Solved • Mar 18, 2019