Each bone in the chain of bones forming your spine is separated from its neighbors by disks of elastic tissue. What happens, then, when you jump heavily onto your feet from an elevated position? (

Q: 4 m -3 m Prob. 5-70 5-73 journ the E broldes be 5-71. Determine the components of reaction at the…

A:

Q: If the maximum force the biceps muscle can exert is 1000 N, can we pick up an object that weighs…

A: To pick up an object, the bicep must exert a torque which is given as, τ=r⊥×F

Q: When a catcher in a baseball game catches a fast ball, he does not hold his arms rigid, but relaxes…

A: Given:-  When a catcher in a baseball game catches a fastball, he does not hold his arms rigid but…

Q: You take a young child to the park to play on the teeter totter. You weight 175 lb and the child…

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Q: Why do you tend to lean backward when carrying a heavyload in your arms?

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Q: В A cook holds a 1.72-kg carton of milk at arm's length (see the figure below). What force Fa must…

A: Consider a carton of milk of mass m(1.72 kg) and it is placed at the distance l from the joint(axis…

Q: A pair of forces when applied to a body decreases its length and increases its cross-sectional area…

A: 1. When two forces act on an object, the total force of the object either decreases or increases…

Q: What is meant by a rigid body?

A: In physics, a rigid body (also known as rigid object) is a solid body in which deformation is zero…

Q: Achilles tendon- - Tibia Ankle joint K4.6*-12.5 ст ст

A: Given,Mass of the person, m = 75 kghis tendon is, 25 cm = 0.25 m longcross sectional area, A = 78…

Q: What factors would affect the elasticity of an object?

A: Required : Factors that affect elasticity.

Q: -aquarium activity- large hollow ball in water- How did the hand force required hold a ball down…

A: Answer

Q: Which of the following is not influenced while increasing the pulling force on a cable? The Young's…

A: Stress is defined as force per unit area  σ=FA where σ is the stress so as force is increased stress…

Q: Suppose the humerus is reduced uniformly in size by a factor of two. This means that both the length…

A: Here, the amount of the stretch is inferred as the amount of the stress developed in the humerus for…

Q: he bar is 10m long. A mass of 40 kg is placed at 9m from the left of the bar. where should a 60 kg…

A: SOlution:' Given that m1 = 40 kg x1 = 9 m x = 10 m m2 = 60 kg

Q: A cook holds a 2.15-kg carton of milk at arm's length (see the figure below). What force F, must be…

A: The concept of static torque is used to calculate the force.…

Q: Why does bending your legs when running enable you to swing your legs to and fro more rapidly?

A: Rotational inertia is the resistance to a change in rotational motion, which is similar to plane…

Q: As an oil well is drilled, each new section of drill pipe support its oun weight crel that of the…

A: Given, L∘=6.0 mL∘=length of the pipeγ=1.6×1010 N/m2

Q: A person who weighs 790 N Supports himselt on the ball of one foot The the foot on one side of the…

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Q: Why is it easier to carry same amount of water in two buckets, one in each hand, than in a single…

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Q: Why is it important to secure file cabinets to the floor, especially cabinets with heavy loads in…

A: It is dangerous to pull open the upper drawers of a fully-loaded file cabinet that is not secured to…

Q: A girl and a boy carry a sack weighing 40 N on a pole between them. If the pole is 6 m long and the…

A: We have a pole of length L=6 m on which there is a load of weight W=40 N at a distance d=2 m from…

Q: You are holding a 19.4 pound dumbbell in your hand. The dumbbell is being held 12.8 inches from your…

A:

Q: There is a disk of cartilage between each pair of vertebrae in your spine. Suppose a disk is 0.50 cm…

A: Given: A thickness of disk = 0.50 cm A diameter of disk = 4.0 cm Disk support half the weight of a…

Q: Masses of the same object be different on different balances? Even if they are the same? Why?

A: Given, massses of same object on different balances will be different. To state whether its true.

Q: Explain one of the reasons why pregnant women often suffer from back strain late in their pregnancy.

A: Pregnant women often suffer from back strain late in their pregnancy because they lift their child…

Q: Why must you bend forward when carrying a heavy load on your back?

A: The formula for the torque is: As a person carries a heavy load on his back and he doesn’t bend…

Q: Why must you bend forward while carrying a heavy load on your back?

A: It is very much advisable to bend forward while carrying a heavy load.

Q: If the size of the spheres was to increase, how would that affect the viscosity?

A: To answer the question we will use stoke's law of viscosity.

Q: Why can’t you put your heels firmly against a wall and then bend over without falling?

A: When a person put heels firmly against a wall and then bend in the forward direction, the person…

Q: Assuming your feet are not held down, which is more difficult: doing sit-ups with your knees bent or…

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Q: Why Does A Cyclist Lean To One Side, While Going Along A Curve? In What Direction Does He Lean?

A: The cyclist bends slightly inwards while going on a curved road because by doing that the cyclist is…

Q: An 82.0 kg-diver stands at the edge of a light 5.00-m diving board, which is supported by two narrow…

A:

Q: Why Frictional Force Gets Increased When Two Surfaces In Contact Are Polished Beyond A Certain…

A: When two surfaces in contact are polished beyond a certain limit and made extremely smooth, they…

Q: The forearm-hand complex weights 51N, and the center of mass is 0.17 m from the elbow joint. The…

A:

Q: Is the body ever in equilibrium?

A: Body is never in equilibrium.  Equilibrium is the state of balance. When a body or a system is in…

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: When you carry a heavy load with one arm, why do you tend to hold your free arm away from your body?

A: - to shift the Centre of gravity of body away from load

Q: you are on a teeter-totter with a young girl your mass is 90 kg and the girls mass is 15 kg. The…

A:

Q: Why is it easier to hold a 10 kg dumbbell in your hand at your side than it is to hold it with your…

A: Introduction: Torque is defined as the tendency of a force to rotate an object about an axis.…

Q: A bungee jumper momentarily comes to rest at the bottomof the dive before he springs back upward. At…

A: The bungee jumper is not in equilibrium at the bottom of the dive before he springs back upwards.

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.