A student is making an "accelerometer" by hanging a pendulum in a car. She wants to determine the acceleration, a, of the car based on the angle, 0, the the pendulum makes with the vertical. The pendulum has a bob of mass m. Assume the windows are rolled up. Hint: Solve in terms of variables then plug in.

Q: A rigid massless rod is rotated about one end in a horizontal circle. There is a mass attached to…

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Q: 1. Solve the following problems. a) What is the mass of a book that weighs 3 N at a location where g…

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Q: A 50-kg pneumatic hammer is fitted with a shock absorber at the top to lessen the impact on the i…

A: Given, Mass of the pneumatic hammer, m = 50 kgThe vertical displacement of the hammer as a function…

Q: The systems shown below are in equilibrium. If the spring scales are calibrated in newtons, what do…

A: a)  Here both the balls are identical, so the force is exerted by both balls on the scale is the…

Q: A 1 kg object is attached to a spring with a spring constant of 65 N/m so that the object is allowed…

A: Given Data: Mass is m=1 kg Force constant is k=65 N/m Distance is x=0.15 m

Q: tension in the rope

A: Given: Masses of blocks as mA=6.1 kg and mB=4.9 kg Magnitude of  acceleration  is a Consider upward…

Q: At a construction site, a 16.0 kg bucket of concrete is connected over a very light frictionless…

A: Part A: Acceleration of the bucket is a= 2.81 m/s2Part B: The speed of the bucket is v = 2.90…

Q: Again, m = mass of projectile = 0.045 kg, k Spring constant of launcher = 100 N/m, and x the spring…

A: The spring constant k = 100 N/m  The mass of the projectile m = 0.045 kg   Distance the spring is…

Q: . The given system of knotted cords (label the left knot as J and the right knot as K) supports the…

A: Given that, The weight of the masses are X=1000N and Y=500N And the system is   We have to find the…

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Q: Consider the same situation as in the previous problem. This time the magnet has mass 6.02 kg and…

A: Option (a) 191.4 N

Q: My solution was that I found was that tension in Cable 2 (T_2) is 2.095 kg. Was that correct or what…

A: The objective of the question is to find the tension in Cable 2 (T2) when a block of mass 10.5 kg is…

Q: Two masses M1 (3kg) and M2 (1kg) are set up as shown in the attached diagram. The coefficient of…

A: (a) Draw the free-body diagram of both the blocks.

Q: Describe an experiment to measure the acceleration due to gravity in a school laboratory using a…

A: Aim : To measure acceleration due to gravity using helical spring.

Q: In the figures, the masses are hung from an elevator ceiling. Assume the velocity of the elevator is…

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Q: Two vertical ropes support a 2.00 meter 500N sign. The sign is uniform so its weight force acts at…

A: Consider the free-body diagram of the sign as follows.

Q: Draw an inclined plane and put an object of mass M on the inclined surface. Show a free-body diagram…

A: Dear student,                     You have posted many problems in a single but according to expert…

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Q: Running on a treadmill is slightly easier than running outside because there is no drag force to…

A: Given data: Mass of the person m =60 kg Distance d=5 km TIme t=17 min Area A=0.72m2 The drag force…

Q: If the cord will break when the tension in it exceeds 50 N , what is the maximum speed the ball can…

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Q: ▼ Part A Find x-component of a = (4.5 m/s², negative x-direction). Express your answer with the…

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Q: As the cat pushes the vase with its paw, the vase moves. Then, the cat maintains a constant applied…

A: we have been given static friction and coefficient of kinetic friction and we need to find what is…

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Q: A block slides down a plane inclined at 35 degrees from horizontal. Find the magnitude of the…

A: As per our guidelines, we are supposed to answer only first one question in case of multiple…

Q: Braces are used to apply forces to teeth to realign them. Shown in this figure are the tensions…

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Q: SKetch for graph of g against

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Q: Coefficient = Ho + kx, where Ho and k are positive constants and x is distance of friction between…

A: The coefficient of friction between disc and floor is given as : μ=μ0+kx Let the mass of the disc be…

Q: Neglect the diameter of the small pulley attached to body A and determine the magnitude of the total…

A: Given: vA =1.07m/sx = 1.51 mh =0.83 m

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Q: A rope with mass m and length l is being pulled by a constant horizontal force in space from its…

A: Given data: The mass of rope is m. Length of rope is l. Force on rope is F. Distance from left end…

Q: Determine the tension in the cord BA.

A: Given  Mass = m = 230 kg  Theta = 33 °  So BA  can be resolve in two components  Horizontal and…

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Q: Two blocks of masses m = 6.0 kg and m2 12 kg are connected with a string that passes over a very…

A: The complBoth the blocks will comes to rest when the INCREASE in elastic potential energy of the…

Q: Activity 2. The block shown has a velocity vA = 25 m/s at A and a velocity vg = 15 m/s as it passes…

A: Activity 1: To solve this, problem no.2 is needed. Activity 2: vB2=vA2-2aSvB2-vA2=-2aSa=vB2-vA22S=15…

Q: In Melde's experiment, the number of loops on the string changes from 4 to 3 by addition of a weight…

A: To find- Initial tension (T1)=? Given- Initial no. of loops (P1)=4 , Final no. of loops (P2)=3 Final…

Q: 2.29 The polyethylene sheet is subjected to the biaxial loading shown. Determine the resulting…

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Q: I Review Part A Find the tension in the string connecting mj and m2. Assume the table is…

A: The acceleration of the three mass of the system is, Substitute the values,

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: