n exert a maximum pull of 1000 N, but wishes to lift new stone door for his cave weighing 20,000 N, if he uses a lever , how much closer must the fulcrum be to the stone tha

Q: A uniform ladder 8.30m long and weighing 235.8N rests against a smooth wall. The coefficient of…

A:

Q: In the wheelbarrrow, the load has a perpendicular lever arm of 7.5 cm, while the hands have a…

A:

Q: When you “weigh” an object on one pan of an equal arm balance by putting standard masses on the…

A: Introduction:-  We know that We have given that we have an equal arm balance and two pans if we put…

Q: At the gym, you notice a girl doing a “plank.” In this exercise, she holds the position shown…

A: ...

Q: A sandwich board advertising sign is constructed as shown in Figure The sign’s mass is 9.50 kg. (a)…

A: FBD of board half part. Mass of each side=9.5/2=4.75 kg

Q: ii. A uniform ladder of 2.5 m leans against a smooth wall as shown in Figure 5 with the force on the…

A: Given: θ=40°, L=2.5m, W=300N, F=250N Let us find the maximum friction force acting on the ladder.…

Q: can you answer the torque applied by the cable and the torque due to the weight of the bridge

A: Here T is the tension in the string, mb is the mass of the bridge, mp is the mass of the person.

Q: don't believe this is correct, because the Force is not 12 N throughout, and we must factor in the…

A: Given, mass of the particle, m = 9 kg the time-dependent force experienced by the particle, Fd = 6t…

Q: A tightrope walks across a 30-m long wire tied between two polesThe center of the wire is displaced…

A: Given: Length of the wire is 30 m. Tension in each half of the wire is 6294 N Let the man be located…

Q: When an object is experiencing a net torque It is in dynamic equilibrium It is in static…

A: The property of a body to resist change in motion. Every object continues to stay at rest, or at a…

Q: What is the angle between two forces when the resultant (i) maximum and (ii) minimum.

A: The angle between two forces when the resultant is maximum and minimum respectively are 0° and 180°.

Q: D CU... t ona- t Pool ment..... 25,551 80 3 5. A 1.90 kg box rests on a plank that is inclined at an…

A: Given data :  Mass of box m = 1.90 kg  Force constant of spring k = 25 N/m  Static friction between…

Q: A 2 m long uniform 1700 g bench has two legs at its very end. If a 14 kg planer is placed 30 cm from…

A:

Q: A 30 m long weightless beam has an 82 kg mass resting on one end and a 64 kg mass on the other end.…

A:

Q: shaft of bone 1.2 m long. If the strain is 1.3x (10) ^(-4) when the leg supports his weight, by how…

A: The amount of length led shortened is   =strain ×length    =1.3×10^(-4)×(1.2m)=1.56×10^(-4) m

Q: 2. Find the value of P and F so that the four forces shown in the figure produce an upward resultant…

A: We have to use the condition that total force is 300 lb upward and total torque is 4ft×300lb. From…

Q: 1)A 910 kg bucket of rocks is suspended from a sturdy, lightweight beam 0.5 m from a pivot. The man…

A: Solution:-Given thatMass of bucket (m)=910 kg

Q: EXT atol He oll The sign on the building is attached to the wall by a hinge and a cable. It has a…

A: Consider the blue portion as area 1 and green portion as area 2.

Q: A piano wighing 600 N is to be raised to a platform 4 m high by a plank 10 m long. if the…

A: The free body diagram of the piano is drawn below.   Apply the equilibrium condition for the forces…

Q: a lever is a simple used to lift heavy objects using a relatively small amount of force. How much…

A: Let Box is placed Y meter from the fulcrum. X meter is the distance b/w fulcrum and perpendicular…

Q: State the condition when on applying a force, the body has translational force?

A: A body is said to be in translational motion when it changes its position from one point to another…

Q: Men are opening a 1,250-kg, 1.75m-wide door (with well-lubricated hinges) by applying to its edge a…

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Q: A spade is modelled as a uniform rod, of mass 2kg and length 90cm, attached to a uniform square…

A: The gardener is holding the spade horizontally. according to the question, weight of spade = force…

Q: A uniform rod of mass 500. g is used as a balance. We want to balance a 2.00-kg weight on the left…

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Q: When you lift an object by moving only your forearm, the main lifting muscle in your arm is the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A wire is stretched between two poles 28.0m apart. A sign is attached at the midpoint of the wire…

A:

Q: Draw a horizontal beam 10 meters long supported at both ends, the beam has a mass It also has a…

A: The torque is given by  Torque = force x perpendicular distance

Q: A 10 kg weight is hanging from one end of a uniform rod of 11 m length. If the rod rests…

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Q: ladder 4m long is leaning against a frictionless wall with its lower end 1.6m away from the wall. If…

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Q: Show how a spring scale and a simple fulcrum can be used to weigh an object whose weight is larger…

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Q: 10kg rigid beam that is 3mlong is supported at each end. An8kg block is placed 2m fromsupport 1. How…

A: The objective of the question is to find the upward force exerted by each support to ensure zero…

Q: This is a drawbridge, held in place by a cable. The hinge is frictionless. This problem and the next…

A:

Q: Suppose a person wishes to lift a large rock with the lever. If the rock has a mass Of 250 kg and is…

A:

Q: 10kg rigid beam that is 3mlong is supported at each end. An8kg block is placed 2m fromsupport 1. How…

A: The objective of the question is to find the upward force exerted by each support on the beam to…

Q: A uniform 30-lb beam, 10 feet long is carried by two mean A and B, one at each end of the beam. a)…

A: Given that Force exerted by man A(F1) =25lb and length of the beam (L)=10feet and weight of the load…

Q: When you lift an object by moving only your forearm, the main lifting muscle in your arm is the…

A: In this question we are lifting weight by moving forearm only. We have to calculate the force the…

Q: During most of the stance phase of the gait, the knee flexion is less than 20º. What force must the…

A: Given: Weight of the patient, w = 836N Distance from line of joint to center of gravity, d = 5 cm…

Mechanical Properties of Solids

There are three types of matter- solid, liquid and gas. Out of them, solids have a rigid shaped and size. The intermolecular forces of attractions in solids are greatest. Mechanical properties are the physical properties of a material which it shows, when it is provided with certain amount of force or load. These properties are to be kept in mind for various purposes. When a force is applied to an object, the object may or may not get deformed depending upon its elastic property. But every time the object develops a restoring force against the force applied. This is commonly known as stress. If the object changes its dimensions due to the force applied it develops strain ( which is the ratio of change in dimension to the original dimension).