Is the net torque changed when a partner on a seesaw stands or hangs from her end instead of sitting? (Does the weight or the lever arm change?)

Q: Two masses with weights of 1N and 3N are hung to the two ends of a meter stick.  (a) Where should a…

A: Given. length of meter stick=1m W1=1N=weight hanging at one end W2=3N=weight hanging at other end

Q: Calculate the torque given r= (6î + 5j)m, and F = (2î – 3j)N

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Q: If a baseball player pushes with 250N due North at a point 8.0cm due southeast of the pivot point of…

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Q: Why does a long pole help a tightrope walker stay balanced?

A: The angular momentum is expressed as,

Q: When the axis of rotation of a body changes does moment of inertia also change? Why?

A: Step 1The moment of inertia of a body is directly proportional to the mass of the body and the…

Q: Two equal and opposite forces each of magnitude 40N are applied to the rim of a wheel makes 12…

A: magnitude of forces are 40N . no. of revolutions 12.

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: Can an object continue to rotate in the absence of torque?

A: Yes, from the law of conservation of energy the angular momentum is conserved if there is no…

Q: By how much will the rate of spin of a skater increase if she pulls her arm in to reduce her moment…

A: The skater does work against force by pulling in her arms, so as to scale back her moment of…

Q: A wheel is released from the top on an incline. Is the wheel most likely to slip if the incline is…

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Q: A screwdriver with a thick handle requires less force to operate than one with a skinny handle. Why?

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Q: Find the net torque around the indicated axis due to the weight on two identical 50.0-kg masses…

A: Given data: Identical Mass M=50 kg

Q: A solid wooden spherical body 1.2 m in diameter and of mass 600 kg, rolls without slipping down an…

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Q: During a knee extension exercise there are two forces that are producing torque at the knee joint.…

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Q: Calculate the rotational inertia of a meter stick, with mass 0.438 kg, about an axis perpendicular…

A: Given, Meter stick having mass (m)= 0.438kg   We want to calculate rotational inertia of meter stick…

Q: 1)A thin rod swings back and forth around one end, like a pendulum. Length of the rod 25m Mass of…

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Q: Write down the equation to calculate the torque if the magnitude of a force and the lever arm are…

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Q: Why must the torque due to the weight be equal in magnitude?

A: Here , torque due to weight is calculated for a particular position . Since weight is same for all…

Q: Calculate the torque for a force of (3i + 4j) N that acts on a moment arm of (5i + 2j) m

A: Torque due to force  τ=rxF

Q: When a rigid object rotates about a fixed axis, what is true about all the points in the object?

A: Ques: When a rigid object rotates about a fixed axis, what is true about all the points in the…

Q: The flywheel of a gasoline engine is required to give up 540 J of kinetic energy while its angular…

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Q: Can a set of forces have a net torque that is zero and a net force that is not zero?

A: Torque is the quantity that causes an angular acceleration. It measures the force that is required…

Q: If the net torque is zero, this implies that () the angular momentum is constant or conserved () the…

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Q: A uniform beam of weight 12 N and length 10 m is mounted by a small hinge on a wall. The beam is…

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Q: A woman of mass 61kg sits on the left end of a see-saw of length 4m, pivoted in the middle. Where…

A: The condition for balance is to balance the torque from both sides. We have to find a length from…

Q: A weight of 30 N is located a distance of 10 cm from the fulcrum of a balance beam. At what distance…

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Q: Sometimes, even with a wrench, one cannot loosen a nut that is frozen tightly to a bolt. It is often…

A: Torque is the capability of the force to cause rotation. In the given question, it is mentioned that…

Q: Three children are sitting on a seesaw in such a way that it balances. A 20- and a 30-kg boy are on…

A: Let τ be defined as the torque, and I be defined as the moment of inertia. If α be defined as the…

Q: When an acrobat walks on a tightrope, she extends her arms straight out from her sides. She does…

A: Given: To explain the working of the acrobat walks in the tightrope as,

Q: As shown in the figure below, a bicycle wheel is at rest against a curb. If the wheel has a radius…

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Q: A rigid body is rotating. Is it necessary that a net torque acts on the body?

A: According to newton 1st law a remains to be in a state of rest or uniform motion until unless acted…

Q: The moment of inertia of a square lamina about the perpendicular axis through its centre of mass is…

A: Given parameters Moment of inertia of a square lamina about the perpendicular axis at the center of…

Q: What will be the corresponding applied torque if the power output given by an engine rotor is equal…

A: given data, Power of the motor , P = 500 watts angular speed , ω = 3300 rad/s Let , the torque be τ

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.