An old carpenter’s trick to keep nails from bending when they are pounded into hard materials is to grip the center of the nail firmly with pliers. Why does this help?

Q: Problem 7:  Two children of mass 17 kg and 32 kg sit balanced on a seesaw with the pivot point…

A:

Q: Bob and Steve are building a see-saw and want it to balance when they both sit on the ends, but Bob…

A: Given : Weight of Bob is twice as Steve  Find : Where would the fulcrum have to be positioned for…

Q: In exercise physiology studies, it is sometimes important to determine the location of a person's…

A:

Q: Problem 4: You have been hired to design a family-friendly see-saw. Your design will feature a…

A:

Q: A 35 N forearm (we are ignoring the hand for this problem) are held at a 45 deg angle to the…

A: Given data- A 35 N forearm are held at a 45 deg angle to the vertically oriented humerus. The COM of…

Q: view Conceptual Example 7 before starting this problem. A uniform plank of length 5.0 m and weight…

A:

Q: magnitude of the torque

A: To find the torque exerted by the beam around the point where it is fixed to the wall, we can use…

Q: A bar weighs 8 N and is 5 m in length. What is the weight needed (M) to balance the bar? Don't…

A:

Q: Many vending machines have a label on them warning of the dangers of trying to tip the machine…

A: using the balancing of the torque d1F1 = d2F21960*0.25 = 1.5*F2490= 1.5 F2F2 = 326.67 N

Q: e bones of the forearm about 2.15 cm beyond the joint. Assume the forearm has a mass of 2.45 kg and…

A: Given values:- Biceps muscle connects to the bones of the forearm,(r0)=2.15 cm=0.0215 m -----(1)…

Q: John is performing an isometric contraction of the quadriceps to hold a 500 N weight at an angle of…

A: Given, weight W=500angle θ=450l=42.5 cmd=10mm

Q: In pioneer days, when a Conestoga wagon was stuck in the mud, people would grasp the wheel spokes…

A: The motion of an object is opposed by a force known as friction. Its direction is opposite to the…

Q: A bench is made by placing a 3.9 meter long plank on two legs, each 0.36 meters from one of the…

A:

Q: The bones of the forearm (radius and ulna) are hinged to the humerus at the elbow. The biceps muscle…

A:

Q: A bar with a mass of 30 kg is 3.0 m long. It is uniform, so its center of gravity is at the center…

A:

Q: Two children of mass 19 kg and 29 kg sit balanced on a seesaw with the pivot point located at the…

A:

Q: Problem 3: You have been hired to design a family-friendly see-saw. Your design will feature a…

A: Given: The mass of the uniform board is M = 11 kg The length of the uniform board is L = 13 m The…

Q: A 40kg dog and a 30kg cat are sitting on either end of a long board balanced precariously on a pivot…

A:

Q: The 20-mm-diameter A-36 steel shaft is subjected to the torques shown. 80 Nm 20 Nm 30 Nm 800 mm 600…

A:

Q: A professor's office door is 0.91 m wide, 2.0 m high, and 4.0 cm thick; has a mass of 25 kg; and…

A: Given:The dimension of the door are 0.91m wide 2.0 m high and 4.0 cm thick.The door has a mass of 25…

Q: (a) Choose the following values. None of them can be 0. Numbers can be picked by expert  The length…

A: Note: As per the guidelines, we can only answer three subparts of a question. Sorry for the…

Q: Six forces, each of magnitude F or 2F are applied to a door. Rank the torques exhibited by each…

A: Introduction about Force and Torque: 1) In simple terms, Torque is imagine as rotational equivalent…

Q: A 30kg ladder is leaning against the wall. The ladder is 8m long and the base of the ladder is 2.5m…

A: To find:The force push against the ladder.Given:The weight of the ladder acts downward from its…

Q: Calculate the reaction on the supports, draw a shear force diagram, and a bending moment diagram.

A:

Q: The bones of the forearm (radius and ulna) are hinged to the humerus at the elbow. The biceps muscle…

A:

Q: You can find the center of gravity of a long ruler by resting it horizontally on your two index…

A:

Q: n exercise physiólogy studies, it is sometimes important to determine the location of a person's…

A: given: readings fg1=395N fg2 = 340N distance between two scales =1.65m

Q: When you bend over, a series of large muscles, the erector spinae, pull on your spine to hold you…

A: Given data γ=300 θ=120 wh=160 N wT=320 N

Q: Wolverine has an arm that is 1[m] long and claws that are 0.5[m] long. He's trying to knock over a…

A:

Q: A flagpole has a uniform mass density and total mass of M and length L. It is hinged at the ground…

A:

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.