Physics Physics Practice Problems Solutions Library

Intro to Torque Solutions Library

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21 solutions

Intro to Torque

Q. The tune-up specifications of a car call for the spark plugs to be tightened to a torque of 49. You plan to tighten the plugs by pulling on the end...

Solved • Jan 21, 2021

Intro to Torque

Q. A metal bar is in the xy-plane with one end of the bar at the origin. A force F=(6.82)i+ -3.24j is applied to the bar at the point x=3.87m , y=3.21...

Solved • Nov 3, 2020

Intro to Torque

Q. How does the lever arm change if you decrease the angle of the force?A. It decreases.B. It increases.C. It stays the same.

Solved • Oct 14, 2020

Intro to Torque

Q. Balls are attached to light rods and can move in horizontal circles as shown in the figure. Rank in order, from smallest to largest, the torques T1...

Solved • Sep 22, 2020

Intro to Torque

Q. Six forces, each of magnitude either F or 2F, are applied to a door as seen from above in Figure 6. Rank in order, from smallest to largest, the si...

Solved • Jul 15, 2020

Intro to Torque

Q. Six forces, each of magnitude either F or 2F, are applied to a door as seen from above in Figure P7.6.Rank, in order, from smallest to largest, the...

Solved • Jul 13, 2020

Intro to Torque

Q. Find the torque about p due to F. Your answer should correctly express both the magnitude and sign of torque. Express your answer in terms of rm an...

Solved • May 25, 2020

Intro to Torque

Q. Learning Goal: To understand the two most common procedures for finding torques when the forces and displacements are all in one plane: the moment ...

Solved • May 21, 2020

Intro to Torque

Q. A uniform thin rod of mass m = 2.6 kg and length L = 1.2 m can rotate about an axle through its center. Four forces are acting on it as shown in th...

Solved • May 19, 2020

Intro to Torque

Q. What is the length, rm, of the moment arm of the force F about point p in terms of r and θ?

Solved • May 19, 2020

Intro to Torque

Q. Six forces are applied to the door in (Figure 1).Rank in order, from largest to smallest, the six torques τa to τf about the hinge on the left.

Solved • May 18, 2020

Intro to Torque

Q. Consider the nail puller shown in the figure.(a) What is the mechanical advantage of a nail puller where you exert a force 46.5 cm from the pivot a...

Solved • Apr 27, 2020

Intro to Torque

Q. According to the lab manual, clockwise torques are taken as ________ (positive or negative) and counterclockwise torques are taken as _________ (po...

Solved • Apr 27, 2020

Intro to Torque

Q. A sign is to be hung from the end of a thin pole of length L, and the pole supported by a single cable. Your design firm brainstorms the six scenar...

Solved • Apr 23, 2020

Intro to Torque

Q. The wrench in the figure has six forces of equal magnitude acting on it.Rank these forces (A through F) on the basis of the magnitude of the torque...

Solved • Apr 7, 2020

Intro to Torque

Q. A wheel is rotating clockwise on a fixed axis perpendicular to the page (x). A torque that causes the wheel to slow down is best represented by the...

Solved • May 2, 2017

Intro to Torque

Q. In cars, a gear train (shown in the figure) is used in the transmission to allow the wheels of the car to rotate at high angular speeds while at lo...

Solved • Mar 20, 2017

Intro to Torque

Q. In the figure, a uniform rectangular crate 0.40 m wide and 1.0 m tall rests on a horizontal surface. The crate weighs 930 N, and its center of grav...

Solved • Mar 6, 2017

Intro to Torque

Q. A wrench is acting on a nut. The nut is at the origin and the wrench extends from the nut along the +x-axis. A force of 150 N acts on the wrench at...

Solved • Mar 6, 2017

Intro to Torque

Q. Two equal forces are applied to a door. The first force is applied at the midpoint of the door, the second force is applied at the doorknob. Both f...

Solved • Mar 6, 2017

Intro to Torque

Q. A uniform bar (I = 1/3 ML2 for an axis at one end) has mass M = 5.00 kg and length L = 6.00 m. The lower end of the bar is attached to the wall by ...

Solved • Feb 7, 2017