Statics and Torque1. The figure shows a pair of forceps used to hold a thin plastic rod firmly. If thethumb and finger each squeeze with a force of Fr= FF= 11.0 M, what force dothe forceps jaws exert on the plastic rod?JawsRodFT8.50 cm2.70 cm2. A 75-kg adult sits at one end of a 9.0-m-long board. His 25-kg child sits on theother end. (a) Where should the pivot be placed so that the board is balanced,ignoring the board's mass? (b) Find the pivot point if the board is uniform and hasa mass of 15 kg.3. Calculate FA and Fg for the beam shown below. The downward forces representthe weights of machinery on the beam. Assume the beam is uniform and has amass of 280 kg.FA 4300 N3100 N 2200 N F4.0 m-3.0 m2.0 m1.0 m4. Three children are trying to balance on a seesaw, which includes a fulcrum rockacting as a pivot at the center, and a very light board 3.2 m long. Two playmatesare already on either end. Boy A has a mass of 45 kg, and boy B a mass of 35kg. Where should girl c, whose mass is 25 kg, place herself so as to balance theseesaw?m 35 kgm= 45 kgm 25 kg

Given, Force=Ft=Ff=11m According to our guideline we have to do the 1st question only.Please upload…

1. The figure shows a pair of forceps used to hold a thin plastic rod firmly. If the thumb and finger each squeeze with a force of Fr= FF= 11.0 M, what force do the forceps jaws exert on the plastic rod? Jaws Rod 8.50 cm 2.70 cm

1. The figure shows a pair of forceps used to hold a thin plastic rod firmly. If the thumb and finger each squeeze with a force of Fr= FF= 11.0 M, what force do the forceps jaws exert on the plastic rod? Jaws Rod 8.50 cm 2.70 cm

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

Statics and Torque
1. The figure shows a pair of forceps used to hold a thin plastic rod firmly. If the
thumb and finger each squeeze with a force of Fr= FF= 11.0 M, what force do
the forceps jaws exert on the plastic rod?
Jaws
Rod
FT
8.50 cm
2.70 cm
2. A 75-kg adult sits at one end of a 9.0-m-long board. His 25-kg child sits on the
other end. (a) Where should the pivot be placed so that the board is balanced,
ignoring the board's mass? (b) Find the pivot point if the board is uniform and has
a mass of 15 kg.
3. Calculate FA and Fg for the beam shown below. The downward forces represent
the weights of machinery on the beam. Assume the beam is uniform and has a
mass of 280 kg.
FA 4300 N
3100 N 2200 N F
4.0 m-3.0 m
2.0 m
1.0 m
4. Three children are trying to balance on a seesaw, which includes a fulcrum rock
acting as a pivot at the center, and a very light board 3.2 m long. Two playmates
are already on either end. Boy A has a mass of 45 kg, and boy B a mass of 35
kg. Where should girl c, whose mass is 25 kg, place herself so as to balance the
seesaw?
m 35 kg
m= 45 kg
m 25 kg

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