The body in the figure is pivoted at O, and two forces act on it as shown. If r₁ = 1.28 m, r₂ = 2.07 m, F₁ = 3.77 N, F₂ = 3.53 N, 0₁ = 51.0°, and 02 = 56.0°, what is the net torque about the pivot? Number i Units

Q: Two long, parallel wires separated by 2.85 cm carry currents in opposite directions. The current in…

A: I1 = 1.30 AI2 = 3.45 A Separation (d) = 2.85 cm

Q: A weightlifter curls a 28 kg bar, raising it each time a distance of 0.55 m.  How many times must…

A:

Q: How far apart should two protons be if the electrical force of repulsion on each one is equal to its…

A:

Q: Between 1911 and 1990, the top of the leaning bell tower at Pisa, Italy, moved toward the south at…

A:

Q: A circular disk with a radius of 0.5 m is subject to 2 tangentially applied forces. The disc is…

A:

Q: Find the currents in the circuit shown in the sketch. Bear in mind that if you find a negative value…

A:

Q: A 2.0-cm-tall object is 23 cm in front of a converging lens that has a 40 cm focal length. Calculate…

A:

Q: If a voltage source of 24.0 V is connected from top to bottom, what is the charge accumulated on the…

A:

Q: A uniform 4 m, 60 N horizontal plank is shown with a 40 N weight resting on top, 1.0 m from the…

A:

Q: 9. In a circuit with a parallel combination of 3 resistors, the equivalent resistance is O less than…

A:

Q: An automobile travels along the circular path of radius p = 35 m such that its speed is increased by…

A: We can use the following equation of motion:s = ut + (1/2)at^2Where:s = distance traveled (20 m)u =…

Q: 10. A mass of 1 slug is attached to a spring whose constant is 5 lb/ft. Initially, the mass is…

A:

Q: Suppose that you have a reflection diffraction grating with n=120 lines per millimeter. Light from a…

A:

Q: A 20 kg sled is being pulled on ice by two siblings, each holding a rope. The younger sibling pulls…

A: To find the net force and acceleration of the sled, we'll break down the forces into their…

Q: -2 1. A flat circular coil with 95 turns, a radius of 4.20 × 10-² m, and a resistance of 0.430 is…

A:

Q: The Eiffel Tower is a steel structure whose height increases by 19.7 cm when the temperature changes…

A: The change in height of tower is The initial temperature is The final temperature is Note:The…

Q: A beam of unpolarized light of intensity 1.65E3 W/m2 passes through a series of ideal polarizing…

A:

Q: A tourist takes a picture of a mountain 19 km away using a camera that has a lens with a focal…

A: Distance of mountain (first picture) is Distance of second picture is Distance and height of the…

Q: Question 3: A 50kg sliding wooden crate, connected to a cable, is positioned on a 20° incline. The…

A: And

Q: river of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly…

A:

Q: An airplane accelerates down a runway at 3.20 m/s2 for 32.8 s until is finally lifts off the ground.…

A:

Q: Now we will consider some slightly different related scenarios to Example 20-9. Part A Suppose the…

A:

Q: 4. A circular loop in the plane of the paper lies in a 0.60 T magnetic field pointing into the…

A: Given Data :Magnitude of Magnetic field B= 0.6 TResistance of coil  R= 2.55Initial diameter di…

Q: A thin film of polystyrene is used as an antireflective coating for fabulite (known as the…

A:

Q: When does the maximum climb angle occur? A. When the speed is at maximum B. When the ratio of R.C.…

A: Maximum angle of climb occurs when the ratio of rate of climb (R.C.) to airspeed is maximum. So the…

Q: + 12 V - Μ 4Ω M 12 Ω Μ 24 Ω Α 3Ω Α 5Ω 3V- +

A:

Q: Light from a helium-neon laser (λ = 633 nm) is used to illuminate two narrow slits. The interference…

A:

Q: The moon is 3.5 × 10^6 m in diameter and 3.8× 10^8 m from the earth's surface. The…

A:

Q: An object is thrown upwards with a velocity of 30 m/s near the surface of the earth. After two…

A: Velocity, u = 30 m/sTime, t = 2 sAcceleration due to gravity, g = -9.8 m/s²

Q: A 62 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 18°…

A:

Q: A butterfly moves with a speed of v = 12.0 m/s.  The x-component of its velocity is 8.00 m/s.  The…

A:

Q: During a tennis match, a player serves the ball at 28.3 m/s, with the center of the ball leaving the…

A:

Q: A microscope with an objective of focal length 1.8 mm is used to inspect the tiny features of a…

A: The focal length is The distance between objects is Wavelength of light is Note:Refractive index of…

Q: a certain type of airplane requires a minimum speed of 121 km/h to achieve liftoff. if a runaway is…

A:

Q: 4.0-cm-tall object is 20 cm in front of a concave mirror that has a 25 cm focal length. Calculate…

A:

Q: Problem 4: A 82.5-kg man pushes a crate 4.5 m up along a ramp that makes an angle of 19° with the…

A:

Q: An incandescent lightbulb is rated at 60 Watts when plugged into a 110 V-rms household outlet.…

A:

Q: An object, whose mass is 0.560 kg, is attached to a spring with a force constant of 148 N/m. The…

A: Mass m = 0.56 kgForce constant k = 148 N/mDistance A = 0.13 m

Q: 7.A magnet brought near an old fashioned TV screen. Calculate the radius of curvature of the path of…

A:

Q: A solar sail allows a spacecraft to use radiation pressure for propulsion, similar to the way wind…

A:

Q: Assume a transparent rod of diameter d = 5.60 µm has an index of refraction of 1.31. Determine the…

A:

Q: An object is located 21.0 cm in front of a convex mirror, the image being 14.9 cm behind the mirror.…

A: Distance of first object is The object is placed in front of the convex mirror.Image distance for…

Q: Answer "TRUE" or "FALSE" in each question. (explain clearly with equation if possible) For a…

A:

Q: Q: You hold up a piece of paper by a lens and see the image of a candle projected on the paper. Is…

A: When we hold up a piece of paper by a lens and see the image of a candle projected on the paper,…

Q: Calculate the rotational inertia of a wheel that has a kinetic energy of 49.3 kJ when rotating at…

A:

Q: What does the percent difference between GPE and KE tell you about the Efficiency of energy…

A:

Q: The average intensity of solar radiation reaching Earth's satellite orbit is 1360 W/m?. A…

A:

Q: A boy floating on a pond watches a fish swim away from him as in the figure below. If the fish is…

A:

Q: The 2 kg collar is released from rest at A and slides down the inclined fixed rod in the vertical…

A: To solve this question we have to find out the force in the direction of motion which we can do by…

Q: | Problem 18: A 590-turn coil with an area of 0.225 square meters is spun in the Earth's 5.00 x…

A: Given Data:Number of turns is Area of the coil is Magnetic field Maximum emf is The expression for…

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.