Question: The drawing shows a lower leg being exercised. It has a 49-N weight attached to the foot and is extended at an angle u with

The drawing shows a lower leg being exercised. It has a 49-N weight attached to the foot and is extended at an angle u with respect to the vertical. Consider a rotational axis at the knee.

(a) When u 5 90.08, find the magnitude of the torque that the weight creates.

(b) At what angle u does the magnitude of the torque equal 15 N • m?

The drawing shows a lower leg being exercised. It has

Axis 0.55 m 49 N

Step by Step Solution

★★★★★

3.46 Rating (159 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

REASONING In both parts of the problem the magnitude of the to... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

1176-P-M-P-A-S(296).docx

120 KBs Word File

Students Have Also Explored These Related Modern Physics Questions!

The drawing shows a person (weight, W = 584 N) doing push-ups. Find the normal force exerted by the floor on each hand and each foot, assuming that the person holds this position. 0.840 m 0.410 m

The drawing shows a wire tooth brace used by orthodontists. The topmost tooth is protruding slightly, and the tension in the wire exerts two forces T(vector) and T(vector) on this tooth in order to...

The drawing shows a circus clown who weighs 890 N. The coefficient of static friction between the clown's feet and the ground is 0.53. He pulls vertically downward on a rope that passes around three...

The drawing shows a lower leg being exercised. It has a 49-N weight attached to the foot and is extended at an angle Î¸ with respect to the vertical. Consider a rotational axis at the...

A square, [1565 m on a side, is mounted so that it can rotate about an axis that passes through the center of the square The axis is perpendicular to the plane of the square. Aforce of 35.6 N lies in...

The wheels, axle, and handles of a wheelbarrow weigh W = 66 N. The load chamber and its contents weigh WL = 525 N. The drawing shows these two forces in two different wheelbarrow designs. To support...

The heaviest invertebrate is the giant squid, which is estimated to have a weight of about0.15tons spread out over its length of30feet.What is its weight in newtons? N 2. [0.17/1...

1. [-/2 Points] DETAILS SERCP11 8.1.OP.001. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER (a) A woman opens a 1.15 m wide door by pushing on it with a force of 38.5 N applied at the center of the door,...

Chapter 38 from Business Law and the Legal Environment was adapted by The Saylor Foundation under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 license without attribution as requested...

A person exercises the quadriceps as shown. The diagram on the right shows a model of the leg, where the person's lower leg of length L = 0.55 m is held at an angle 0 = 45 with respect to the...

Palomar Manufacturing Inc. records the following use of materials during June: Prepare a summary journal entry for the materialsrequistions. Materials Requisitions Direct Materials $20,000 18,000...

What are 10 determinants of service quality?

10. Youre working as a paid intern on a small team of four software developers: Each member of the team faces different deadlines and requires your support at different times. You only have 40 hours...

The Firm's Short-Run Output Decision 21 Economic profit equals minus

Energy is transmitted at rate P1 by a wave of frequency f1 on a string under tension 1. What is the new energy transmission rate P2 in terms of P1 (a) If the tension is increased to 2 = 41 and (b) If...

The equation of a transverse wave traveling along a string is y = (2.0 mm) sin [(20 m-1)x (600 s-1)t]. Find the (a) Amplitude, (b) Frequency, (c) Velocity (including sign), and (d) Wavelength of the...

Oscillation of a 600 Hz tuning fork sets up standing waves in a string clamped at both ends. The wave speed for the string is 400 m/s. The standing wave has four loops and an amplitude of 2.0 mm. (a)...

Question #1. Miss Bunz deposited $5,000 into a tax-free account that was earning 2.75% compounded monthly.One year later, she made a second deposit into the account of $3,500.How much will she have...

The risk-free rate is 6% and the expected rate of return on the market portfolio is 13%. a. Calculate the required rate of return on a security with a beta of 1.15. (Do not round intermediate...

QUESTION 1 (20 MARKS) LSY Bhd purchased a building costing RM8,000,000 on 1 July 2017. The company rented out 97% of the floor space of the building to third parties and the remaining 3 % is being...