Question 13 The output of cross product is scalar or vector?

Q: QUESTION 7 A point mass held by the thread revolves around a fixed axis, and the tension of the…

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Q: The Achilles tendon inserts on the calcaneus (the heel bone) at a distance of 8 cm from the axis of…

A: Write the expression for the torque created about the ankle joint. Here, F is the force and r is…

Q: Work and Torque have the same physical dimensions True False

A: To determine  True and false

Q: 2. Alice and Bob are standing at the middle of a level, perfectly balanced seesaw. Alice has a mass…

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Q: Explain about Gravitational Potential Energy for Motion Along a Curved Path.

A: Let us consider the motion of a car which moving along a curved path .In the figure the…

Q: DRAW A FREE BODY DIAGRAM! The Achilles’ tendon inserts on the calcaneus (the heel bone) at a…

A: Given that the Achilles tendon inserts at the calcaneus (the heel bone) at a distance of 8cm  from…

Q: Atwood Machine Special Cases shows an Atwood machine that consists of two blocks (of masses m1 and…

A: Atwood machine is show in fig-1, let the acceleration of masses m1 and m2 (in kg) be ,a1 upward and…

Q: Slip. Consider the figure below. If µ, = 1/(2 + V3) between the surfaces, what is the smallest…

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Q: Consider the pulley system depicted in the figure. The block is prevented from moving by the applied…

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Q: F2 = 40N %3D -> F=30N

A: The magnitude of cross product of two vectors is equal to the product of the magnitudes of the two…

Q: The figure shows a weapon called a battering ram (modern large battering rams are typically mounted…

A: Given, h=4.5ft d=3ft Ke=6.5ft

Q: 3. Rolling motion of a hoop Using conservation of energy, prove that a hoop released from a vertical…

A: Given data: The vertical height is h.   To be proved: The velocity at the bottom is v=gh.

Q: If arranged like this a lever can create a large output force Explain what is happening

A: Let us consider an arrangement in which we are getting a large output force on applying less input…

Q: A cord is wrapped around a pulley that is shaped like a disk of mass m and radius r. The cord's free…

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Q: Initial Final A 4.5 kg ball is at the top of a 2.1 meter ramp. What is the potential energy of this…

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Q: A ball is atop a ramp. There is a ball at the bottom of the ramp at rest. If the ball rolls down and…

A: When a ball is at the top and rolls down, the ball’s total energy in the form of potential energy…

Q: Alice and Bob are standing at the middle of a level, perfectly balanced seesaw. Alice has a mass of…

A: Given quantities: mass of Alice (m) = 40 kg mass of Bob (M) = 50 kg speed of Alice (v) = 1 m/s…

Q: A bowling ball encounters a 0.760-m vertical rise on the way back to the ball rack, as the drawing…

A: According to the conservation of energy at the top and bottom,…

Q: When Jenny couldn't lift a box by herself, she decided to use a lever to move it. She placed a…

A: Let weight of the object is W.  On the lever, the distance from the fulcrum to object box is r1=1.6…

Q: (2) What are two (2) practical /engineering applications of "SCALAR Or DOT PRODUCT" and "VECTOR or…

A: Dot or Scalar Product The dot product actually gives information on how much of the force vector is…

Q: 6. An open cart on a level surface is rolling without frictional loss through a vertical downpour of…

A: Option b is correct i.e decrease because of conservation of momentum.

Q: Consider the work done by a spinning skater pulling her arms in to increase her rate of spin.…

A: Let ωi is the skater’s angular speed when the hands are stretched outward and ωf is the skater’s…

Q: Problem 7: Consider the 10.5 kg motorcycle wheel shown in the figure. Assume it to be approximately…

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Q: A meter stick is held vertically with one end on the floor and is then allowed to fall. Find the…

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Q: Law of the Lever The figure shows a lever system, similar to a seesaw that you might find in a…

A: Given,

Q: Hinge -Steel rod A rod of mass 6 kg and length 2 m hangs from a hinge as shown in the figure. The…

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Q: Draw a schematic diagram for energy conversion for the object rolling down the ramp and write an…

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Q: An energy storage system based on a flywheel (a rotating disk) can store a maximum of 4.0 MJ when…

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Q: A baseball bat has a "sweet spot" where a ball can be hit with almost effortless transmission of…

A: Calculate the moment of inertia of the bat about an axis through the grip,

Q: Slip. Consider the figure below. If µ, = 1/(2 + v3) between the surfaces, what is the smallest…

A: The forces are shown below

Q: 47. See Multiple-Concept Ex- ample 12 to review some of the Pulley concepts that come into play…

A: By considering counterclockwise rotations as the positive direction for torques we have, τnet,…

Q: ANSWER ASAP PLEASE FOR AN UPVOTE. THANK YOU. One of the main premises of energy movement theory is…

A: The perineum relates to the power source of the pelvis. Its profound limits are — in front, the…

Q: When Jenny couldn't lift a box by herself, she decided to use a lever to move it. She placed a…

A: GivenFulcrum placed at 1.6 m away from boxlength of lever used 2.0 m

Q: A uniform hemisphere of mass M and radius R rests on a horizontal plane. A particle of mass m is…

A: Given:-  A uniform hemisphere of mass M and radius R rests on a horizontal plane. A particle of mass…

Q: true or false : 1- Newton = force unit x meter     (        ) 2- the dot product between two…

A: Newton = force unit x meter. This statement is False. Reason: Newton is the SI unit of force. Given…

Q: spherical R a vertical axis on frictionless bearings (see the figure above). A massless cord passes…

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Q: Statics of Rigid Bodies How can you use the dot product to determine the components of a vector…

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Q: A school has installed a modestly-sized wind turbine. The three blades are 4.6 m long; each blade…

A: Moment of inertia of the rod about its end is given by  I =M L23 the kinetic energy of rotation is…

Q: For two-dimensional rotating bodies, explain, exemplify and illustrate the concept of work.

A: Given : To explain the concept of work for two-dimensional rotating bodies.

Q: Let a displacement vector in the (X,Y) plane be 5.0 m at a 30 degree angle with respect to the…

A: Given , displacement vector is 5m at a 30 degree with respect to x axis.             force vector is…