34. A uniform 4 m, 40 N horizontal plank is shown with an 80 N weight resting on top, 1.0 m from the right end. The plank is in equilibrium. What is F₁? Im a) 40 N b) 44 N c) 48 N d) 52 N e) 56 N 4m F₂

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A:

Q: The melting point of Al is 660°C, its latent heat of fusion 4x10Pj/kgk and its specific heat is 900…

A: Given : Melting point of Al is (T) = 660o C => 660 +273 = 933oK Latent heat of fusion is (L) = 4…

Q: Three resistors are connected as shown below. R =R2= R3 6.0Q. The voltage across the battery is 44…

A: Given data:  R1 = R2 = R3 = 6.0 Ω Battery voltage (V) = 44 V

Q: 12. Identify whether the following statements are true or false, and explain why (if false, a…

A: Solution as

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A: Kinematics.

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A: Speed of the center of mass. From conservation of energy

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A: The waves carry disturbances from one point to the other. The transverse waves are those that travel…

Q: 31. A small uniform cylinder of mass m is released from rest at a height of R/2 above the bottom of…

A: Radius of half pipe = RHeight of cylinder =R/2Cylinder rolls without slipping.

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A: Given: In this question, the given details are, A square loop of wire 0.22 m on a side lies on a…

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Q: Part A How much work is done by each of the three forces? Express your answers using three…

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Q: presented in the table below. Constant Mass vs Varying Force Hanging Mass 1 23 2 50 g 70 g 90 g…

A: Solution: Based on the given data the mass of the cart is to be calculated. The given quantities…

Q: 10. An open container of water is filled to the very top. A 7 kg block with a density between 300…

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Q: In the first test the rider accelerates from 48 km/h to 80 km/h, over a distance of 190 m whilst…

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Q: A particle of mass 25 kg, originally at rest, is subjected to a force of 50 N for 10 seconds. Find…

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A: Vector A=(5, 2) and B=(1, -1) in the form of (x, y) component form.

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A:

Q: Mk=0.7. 10 kg TIR A 10-kg box is at sliding to the right on the floor. A rope is attached to the box…

A: mass of box = m = 10 kg co efficient of friction = 0.7 acceleration = a = 6 m/s2

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Q: Use the position versus time graph to answer the question. What distance does the object travel from…

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Q: A certain capacitor, in series with a 720-2 resistor, is being charged. At the end of 10 ms its…

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Center of Gravity of a system

The centre of gravity is a property that is based on the geometry of a rigid body or any particle. It is described as an equilibrium point or a hypothetical location where the total weight of the body is concentrated.