Purchase Solution

Torque

Not what you're looking for?

Ask Custom Question

Please help with the following physics problems.

1) A student pushes on a swinging door to leave a class. How much torque is exerted in each of the following cases if the force exerted is 50 N?

A - The student pushes perpendicular to the door at the end farthest from the hinges (a distance of 80 cm).

B - The student pushes at an angle of 60 degrees to the door at the end farthest from the hinges.

C - The student pushes perpendicular to the door at the end where hinges are located.

2) How much tension does your bicep exert in order to support your forearm held out horizontally if the weight of your forearm is 12N? Assume the centre of mass of your lower arm is located 15 cm from the elbow joint and the bicep is located 5 cm from the elbow joint.

3) How much tension does your bicep exert to support not only your arm, but also a 12N weight in your hand? Assume the weight is located 20 cm from the centre of mass of the lower arm.

Attachments
Purchase this Solution
Solution Summary

This solution helps with three problems on torque. Step by step solutions are provided.

Purchase this Solution
Free BrainMass Quizzes
Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

The Moon

Test your knowledge of moon phases and movement.

Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

Basic Physics

This quiz will test your knowledge about basic Physics.

View More Free Quizzes
Related BrainMass Solutions

  • Torque Function Defined

    40369 Torque Function Defined What is torque? A torque is a tendency to change something's state of rotation; it is the rotational analogue of force. For instance, if I apply torque to a wheel, I'm providing a tendency to rotate that wheel.

  • Determining the magnitudes of forces and torque in a cylinder

    The torque on the forces are determined.

  • Mechanics

    Power = Torque applied x Angular Speed. Initially to set the bicycle into motion from rest larger torque is required. Hence, the paddles of the bicycle are attached to the larger gear which generates larger torque at slower speed.

  • Zero Net Torque Conditions

    This solution calculates the net torque for each diagram and identifies which situation has net torque equal to zero.

  • What is the power needed to accelerate a flywheel?

    The holding torque is computed as well.

  • Solution for net torque

    The two torques: 88Nm clockwise plus 44 Nm counterclockwise gives a net torque of 44 Nm clockwise. The expert finds the net torque and direction of rotation on the block.

  • Torque and Power

    These are the step on how to calculate torque and angular speed.

  • Torque and center of mass

    Thank you so much :) Torque is force times radius. HOWEVER, that is the torque applied perpendicular to the direction of the radius.

  • 95% confidence interval of average torque

    227209 95% confidence interval of average torque An assembly process includes a torque wrench device that automatically tightens compressor housing bolts; the device has a known process standard deviation of o=3lb-ft in the torque applied. a simple random

  • Wind turbine mechanical torque delivered to a generator

    316136 Wind turbine mechanical torque delivered to a generator Determine wind turbine mechanical torque delivered to the generator or gearbox) Rotor diameter = 100m radius R = 50 m Rotor speed= 13 rpm ? = 13*2?

View More Related Solutions