Conceptual Question: Which will roll down an incline faster: a can of water or a can of ice? Discuss and explain.
Q: Explain the difference between ‘gearing up’ and ‘gearing down’ in terms of both torque and speed
A: Gearing Up and Gearing Down When there is a larger gear which is connected to motor and it turns a…
Q: A meter stick is balanced at its center. When you hang different mass blocks from different…
A: Force acting on the stick The system is at rest, so the net torque acting on them must be zero,…
Q: 2- Body equilibrium The figures below represent, a vertical cross-section, of systems at…
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Q: Dima pulls directly backward with a force ?=137 N on the end of a 2.00 m -long oar. The oar pivots…
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Q: 10) The homogeneous cylinder A is mounted on smooth bearings inside box B and connected by a cable…
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Q: 2. Position of W2 with W1 at the 1-cm mark. 1 cm C.g = cm cm W2 Note:W1 is lighter than W2 Write a…
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Q: The internal torque on the system due to internal force is ___________ a) Increasing b) Decreasing…
A: Zero
Q: Using the conservation of angular momentum arguements explain why ice skaters spin faster when they…
A: The angular momentum is the product of moment of inertia and angular speed. Again, moment of inertia…
Q: 11: How do banked curves enable NASCAR drivers to take curves at higher speed than unbanked ones?…
A: Banking of road:
Q: Under what conditions can a rotating body be in equilibrium? Give an example.
A: Given: Rotating body
Q: How do you explain torque, and how does it relate to the center of mass?
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Q: Which measure would not be useful to help you determine the change in angular velocity when the…
A: By using the angular accelerationα=∆ω∆t∆ω=α∆tand we can get the angular acceleration by using the…
Q: 7) From figure below, the torques due to F1 and F2 relative to point p (in N.m) is: 4m- F=7N 90 2m-…
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Q: a tire comes off a car on a level road. which of the following cannot happen to the tire? 1.…
A: When the tire is attached with the car then it was loaded and moment of inertia is very high but…
Q: 8. In one of our Pivot labs, a puck slid down a shallow ramp. Let's say that it does so at constant…
A: The puck is moving at a constant velocity. At constant velocity, the acceleration is always zero.…
Q: What do Newton’s laws tell us about rotational motion?
A: The rotational form of Newton's second law states the relation between net external torque and the…
Q: Why do javelin throwers sprint down the runway? Question 15 options: warm up before the throw…
A: Javelin in the game in which the thrower runs with the javelin before throwing it.
Q: Şekil-1 37 53 T1 60kg m The rod with a mass of 50kg in the figure above is homogeneous and its…
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Q: A spherical ball with mass 0.2 kg and radius 0.1 meters laying on a table. It is hit by a…
A: a) The angular acceleration is, b) The required moment of inertia,
Q: Q5) A rod having a mass of M and length of L is falling. What is the equation of motion if the…
A: Given: Rod's mass→M Rod's length→L COM→g is at distance r from either end of rod. Rod is falling on…
Q: An airplane has two fuel tanks embedded symmetrically in the wings, (see figure). fuel tank fuel…
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Q: How are the principles of torque used in order to “jack a car up” to change a flat tire? give 3…
A: A jack is a mechanical device used for lifting heavy loads. It gives a large amount of force using…
Q: Masses of the same object be different on different balances? Even if they are the same? Why?
A: Given, massses of same object on different balances will be different. To state whether its true.
Q: When a motorcycle accelerates rapidly from a stop it sometimes“pops a wheelie”; that is, its front…
A: The forward force in the ground level is what accelerates a motorcycle. The center of mass of the…
Q: It is easier to roll than to pull a barrel along a road. Explain.
A: When the barrel is pushed or pulled, the friction that exists between the point of contact is…
Q: What is the concept of Rotational Equilibrium and Rotational Dynamics?
A: Rotational equilibrium is the state in which the total angular acceleration of the body is zero. Net…
Q: Calculate the center of mass of a 4 m long aluminum bar with cross- sectional area of 4 cm x 4 cm if…
A: It is given that the length of the uniform bar is, L=4 m. Axis of rotation is located at 13rd of the…
Q: Relationship between slip and torque?
A: The relationship between slip and torque is direct relation as Torque(T) is directly proportional…
Q: Water parks often include a log rolling area, in which participants try to stay upright while…
A: It is easier to stay on the log if it is more difficult to get it rolling. if someone exerts…
Q: A cylindrical container of radius ? and height ? is partially filled with a liquid whose volume is…
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Q: Calculate Volume of the body obtained by revolving the area about the x axis
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Q: A solid sphere rolls down two different inclined planes of the same heights but different angles of…
A: C
Q: The Sopwith Camel was a British biplane in use during WWI. (It is also the plane Snoopy flies in!)…
A: The Sopwith Camel was difficult to handle due to the extreme effect of Gyroscopic effect due to the…
Q: # 5) Use the 3-step Newton's Second Law Analysis combined with torque to solve the following…
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Q: How is force distributed across a spherical object, like a knee cap?
A: we know that force either will be contact force or field force. for contact force we consider the…
Q: A tall crate has a higher center of gravity than a shorter crate. Which will have the greater…
A: A tall crate has a higher center of gravity than a shorter crate.
Q: 1. The point where an object balances is its 2. If we multiply mass and velocity, we have 3. When…
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Q: The stone of a hand flour grinder is provided with a handle near its rim? Give reason.
A: Perpendicular distance,
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