In terms of center of gravity, support base, and torque, why can you not stand with heels and back to a wall and then bend over to touch your toes and return to your stand-up position?

Q: How much torque is produced by opening a jar of pickles if the lid on the jar has a radius of 4.3 cm…

A: Given: The radius of the jar is 4.3 cm. The applied force is 125 N.

Q: is supported against the wind by a rope tied to a stake in the ground, as shown in the figure below.…

A: Given:- F = 119 N,  D = 2.42 m   d = 1.02 m Find:- Find the tension in the rope.

Q: A heavy concrete panel is being lifted into position in a building by means of a crane (see figure…

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Q: A heavy boy and a light girl are balanced on a massless seesaw. If they both move forward so that…

A: Let the mass of the heavy boy be MBWeight of the heavy boy =MBg Nwhere g is the acceleration due to…

Q: A uniform, 100-N pipe is used as a lever as shown in the figure. Where must the fulcrum (the support…

A: The reaction force is the result of action force and is directly opposite to action force. Weight of…

Q: What is the torque produced when a force of 15N is applied to open the door that is 2.5 meters wide?…

A: Given, Force = 15 N Width of door = 2.5 m Application of force = middle of the door  So ,r = 1.25 m

Q: What is the relationship between center of gravity and support base for an object in stable…

A: Centre of gravity is the point where all the weight of the object is concentrated.

Q: A small 1000-kg SUV has a wheel base of 3.0 m. If 60% if its weight rests on the front wheels, how…

A: Given A small 1000-kg SUV has a wheelbase of 3.0 m. If 60% of its weight rests on the front wheels,…

Q: The mass of flywheel is concentrated on the rim. Why?

A: The main function of a fly wheel is to store energy. Instead of spending input energy from source…

Q: The purpose of plumb line in a physical balance and in the hands of a mason is same. If so, what is…

A: Physical balance is a weight measuring device. It is used to find the weight of a unknown object by…

Q: An 85-kg basketball player does a series of push-ups to strengthen his arm and chest muscles. If…

A: Given data: Mass of player, m=85 kg Center of mass, r=0.920 m Length of the player, l=2.10 m…

Q: The arm of a crane at a construction site is 18.0 m long, and it makes an angle of 15.3 with the…

A: Given: Length r=18 m Angle made with horizontal θ=15.3° Force F=607 N

Q: A jack screw is provided with a long arm. Explain why?

A: A jack screw is a type of mechanical device which is used for lifting moderate to heavy loads though…

Q: A plumber needs to increase the torque to unfasten a pipe. How can they do this? O Apply more force…

A: Given:) torque required to unfasten a pipe required:) way to increase the torque

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: Take a piece of modeling clay and put it on a table, then mash a cylinder down into it so that a…

A: The cylinder which is mash down into the clay behaves as a pivot point. Also, the ruler is balanced…

Q: The meterstick weighs 10N. If a rock hangs on one end and the whole system is balanced at the 20 cm…

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Q: A weightlifter is holding a 50.0-lb weight (equivalent to 222.4 N) with his forearm, as shown in…

A: Note: figure is not attached to the question      so, forearm length was assumed to be…

Q: The uniform seesaw is balanced at its center of mass, as seen below. The smaller boy on the right…

A: Write the formula for the torque. The weight of a boy will be:

Q: Why does the torque producing capabilities of the triceps increase at full elbow extension

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Q: In Figure 10.17, the Achilles tendon exerts a force F = 720 N. What is the torque it exerts about…

A: Consider the force is F that is exerted by the tendon. The torque is τ=Frcosθ Here, F is the force,…

Q: Assume a person bends forward to lift a load “with his back” as shown. The spine pivots mainly at…

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Q: What additional torque will produce equilibrium if a clockwise force of 500 N at 2 m is opposed by a…

A: F1 = 500 N (clockwise)d1 = 2 m F2 = 600 N (counterclockwise) d2 = 1 m

Q: 80-kg person raises his entire body weight on the ball of one foot as shown in the figure. Assuming…

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Q: The uniform seesaw shown below is balanced on a fulcrum located 3.0 m from the left end. The smaller…

A: Given Mass of smaller boy = 35 kg Mass of bigger boy = 78 kg Length of board = 8.0 m We have to…

Q: When opening a door, you push on it perpendicularly with a force of 55 N at a distance of 0.75 m…

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Q: If you are trying to balance a seesaw and you have a higher mass on the left, should the mass on the…

A: Introduction: Seesaw is a children swing found in children parks where two child sit on one-one ends…

Q: In the figure, a 74 kg man walks out on a 20 kg beam that rests on, but is not attached to, two…

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Q: Calculate the torque of a door upon applying 5 N of force to open it and has a lever arm of 2.3 m?

A: Given, Force = 5N Lever arm = 2.3 m The lever arm is the perpendicular distance from the axis of…

Q: When opening a door, you push on it perpendicularly with a force of 52.5 N at a distance of 0.775 m…

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Q: In this experiment, if, say 20 kg are placed on the left side, can the plank be balanced with only…

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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: 6. Calculate the net torque about point o for the two forces applied as in figure shown. Athle lanat…

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Q: dvallable until you sign in Four equal-strength forces are applied to a bar that can rotate about a…

A: Torque about pivot point B  Force FB and FD are passing through pivot   So,  TB = TD = 0 Now, since…

Q: If my cat pulls a rope attached to the wall with 100N, and it is .5m long, and .3kg, what torque…

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Q: On the basis of second condition of equilibrium. When opening a door, you push on it perpendicularly…

A: The expression for Torque is given by,

Q: The uniform 19.0 kg beam below is 6.4 m long and is perfectly balanced about a point 1.4 m from the…

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Q: To loosen a bolt, an electrical engineer can exert 700N of force on the M12 Driver. What amount more…

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Q: Can a small force ever exert a greater torque than a largerforce? Explain.

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Q: Does having more or less torque make it easier to lift an object?

A: Torque is force times moment arm. So less torque means less efforts. Human joints always perform a…

Q: Write the two conditions for static equilibrium?   What and where is the “center of gravity” for a…

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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.