(a) What is the mechanical advantage of a nail puller--similar to the one shown in Figure 5.15--where you exert a force 45.0 cm from the pivot and the nail is 1.75 cm on the other side? (b) What minimum force must you exert to apply a force of 1200 N to the nail? _______ N

Q: A 1,467.124 N painter needs to climb d=3.058 m up a ladder (measured along its length from the point…

A:

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 amount of force is needed to lift an objectin a pulley system if the weight of the object…

A: According to the question it is given that m= 200 kg mass is supported by four ropes. Let tension in…

Q: 180 kg M

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Q: The wheels, axle, and handles of a wheelbarrow weigh W = 58 N. The load chamber and its contents…

A: Given weight of handles of a wheelbarrow  W = 58 N. The load chamber and its contents weigh WL = 580…

Q: The horizontal force F (affecting the axis) required to drive a wheel weighing W and a radius R over…

A: To drive the wheel over the wedge, the minimum horizontal force must be sufficient enough to…

Q: Which of the following is always true of a lever system in equilibrium? A The force of gravity on…

A: In a lever system , with respect to the fulcrum the fulcrum the total torque about any point is…

Q: A hungry bear weighing 735 N walks out on a beam in an attempt to retrieve a basket of goodies…

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Q: A patient in therapy has a forearm that weighs -20.5 N and that lifts a -112 N weight. These two…

A:

Q: If you are trying to loosen a stubborn screw from a piece of wood with a screwdriver and fail,…

A: Opening a screw

Q: If each pulley has a mass of 5 kg, what is the mass "M" that will hold the system in equilibrium?…

A: For equilibrium of object net force acting on it must be zero. So force in vertical and horizontal…

Q: The two children shown in the figure below are balanced on a seesaw of negligible mass. The first…

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Q: Why spring balance should be hold horizontally?

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Q: A child with a mass of 25 kg sits at a distance of 1.8 m from the pivot of a seesaw. Calculate a.…

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Q: Second and third class levers are differentiated by:  A) the location of the load B) the location of…

A: Q.Second and third-class levers are differentiated by:  A) the location of the load B) the location…

Q: A weight of 16 N is located at a distance of 16 cm from the fulcrum of a simple balance beam. At…

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Q: When you apply the torque equation ET = 0 to an object in equilibrium, the axis about which torques…

A: Given,  An object is in rotational equilibrium

Q: A child with a mass of 23 kg sits at a distance of 4 m from the pivot point of a seesaw. Where…

A:

Q: When you apply the torque equation Στ  = 0 to an object in equilibrium, the axis about which torques…

A: If any object is in equilibrium, then net torque about any axis should be zero. Hence, axis can be…

Q: crane has an arm length of 20 m inclined at 30deg with the vertical. It carries a container of mass…

A:

Q: A force of magnitude 74 N is applied to a door. The lever arm is given at 0.875 m. Find the torque

A: Given Magnetic of force is F=74 N Lever arm is l=0.875 m

Q: a traffic light hangs from a metal pole in a crane and boom style. the uniform density metal pole…

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Q: When a force F acts on a body, the perpendicular distance from the axis of rotation to the line of…

A: Definition of torque: Torque is defined as the product of force and perpendicular distance from the…

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 a two-pulley system, the centers of the pulleys are 20 inches apart. If the radius of each pulley…

A: Given:-                    In a two-pulley system, the centers of the pulleys are 20 inches apart.…

Q: In order to prevent muscle contraction from misaligning bones during healing (which can cause a…

A: In order to maintain equilibrium, weight of W must be equal to weight of the leg. Therefore, W =…

Q: A light rod is being used as a lever as shown. The fulcrum is 1.20 m from the load and 2.40 m from…

A: Given: The mass of the load is 16.9 kg. The free-body diagram is given below.

Q: crane has an arm length of 20 m inclined at 30deg with the vertical. It carries a container of mass…

A:

Q: Which of the following is NOT true of a lever?   -it changes the magnitude of the force   -it…

A: Given: Which of the following is NOT true of a lever?   -it changes the magnitude of the…

Q: A crane has an arm length of 20 m inclined at 30deg with the vertical. It carries a container of…

A: Given Data:- Arm length of the crane is r=20 m. Mass of the container is m=2 ton. As 1 ton=1000 kg…

Q: As shown below, a weeder is designed with a built in pivot point.  The length of the handle r2 = 27…

A: Let f will be the resistive force required.  working end r1 = 6.3 cm  length of the handle r2 = 27…

Q: A crane has an arm length of 20 m inclined at 30deg with the vertical. It carries a container of…

A: Given,length of the arm of the crane, L = 20 minclined at an angle, 30° with the verticalcontainer…

Q: A 1,057.1 N painter needs to climb d=5.18 m up a ladder (measured along its length from the point…

A:

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

A:

Q: Rotational motion is considered in analyzing static equilibrium problems. Whenever torque equation…

A: Say we have an object of mass M and length L having center of gravity at L/2 and we need to find the…

Q: A child with a mass of 11 kg sits at a distance of 1 m from the pivot point of a seesaw. Where…

A: Given data The mass of the child 1 is m1 = 11 kg. The distance of child 1 from the pivot point is…

Q: The lever arm should be _____________ to the applied force. a.  perpendicular b. coinciding c.…

A:

Q: The lug nuts on a car wheel require tightening to a torque of 90 N.m. If a 30 cm long wrench is…

A: Required Torque= 90 N.m Length of wrench= 0.3 m

Q: bridge, with L, consists of a weight neld up one suppor and a second support 80% of the way across…

A:

Q: When the beam in situation is balanced , the Angle between the force and the lever arm 0 degrees.…

A: Given Beam is balanced Then angle between force and lever arm  is 0° We have to find this statement…

Q: meterstick has the same mass with a clay. If the clay is suspended from the left end of the stick, w…

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Q: The figure below shows an outstretched arm (0.61 m in length) that is parallel to the floor. The arm…

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Q: What is ideal mechanical advantage of a single fixed pulley? Can it be used as force multiplier?

A: Single fixed pulley has an ideal advantage of 1 because the effort force is same as the load…

Q: Can an object be in mechanical equilibrium when only a single force acts on it? Explain.

A: Mechanical equilibrium is the situation in which the resultant force acting on the system is zero.…

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.