Rotational Motion Practice Test Fill in symbol and units Linear
... 6) A piece of machinery with a moment of inertia of 2.5 kg∙m² rotates with a constant angular speed of 4.0 rad/s. A bolt loosens, causing a part of it to shift outward from the rotation axis, increasing the moment of inertia by 1.0 kg∙m². What would the new angular speed of the machinery be? 7) a. ...
... 6) A piece of machinery with a moment of inertia of 2.5 kg∙m² rotates with a constant angular speed of 4.0 rad/s. A bolt loosens, causing a part of it to shift outward from the rotation axis, increasing the moment of inertia by 1.0 kg∙m². What would the new angular speed of the machinery be? 7) a. ...
Chapter Eight
... has a mass of 0.1 kg on the right side 0.2 m from the pivot point. See Fig. 8-2. (a) How far from the pivot point on the left must 0.4 kg be placed so that a balance is achieved? (b) If the 0.4-kg mass is suddenly removed, what is the instantaneous rotational acceleration of the rod? (c) What is the ...
... has a mass of 0.1 kg on the right side 0.2 m from the pivot point. See Fig. 8-2. (a) How far from the pivot point on the left must 0.4 kg be placed so that a balance is achieved? (b) If the 0.4-kg mass is suddenly removed, what is the instantaneous rotational acceleration of the rod? (c) What is the ...
Physics I - Rose
... That is, you must pull with a force of 175.5 N to tighten the spark plug. Assess: The force applied on the wrench leads to its clockwise motion. That is why we have used a negative sign for the net torque. ...
... That is, you must pull with a force of 175.5 N to tighten the spark plug. Assess: The force applied on the wrench leads to its clockwise motion. That is why we have used a negative sign for the net torque. ...
Physics I - Rose
... SET UP: Let the direction of rotation of the wheel be positive. The wheel has the shape of a disk and I 12 MR 2 . The free-body diagram for the wheel is sketched in Figure 10.10a for a horizontal pull and in Figure 10.10b for a vertical pull. P is the pull on the cord and F is the force exerted on ...
... SET UP: Let the direction of rotation of the wheel be positive. The wheel has the shape of a disk and I 12 MR 2 . The free-body diagram for the wheel is sketched in Figure 10.10a for a horizontal pull and in Figure 10.10b for a vertical pull. P is the pull on the cord and F is the force exerted on ...
Chapter 8 Rotational Dynamics continued
... ω : angular velocity of rotation (same for entire object) α : angular acceleration (same for entire object) vT = ω r : tangential velocity ...
... ω : angular velocity of rotation (same for entire object) α : angular acceleration (same for entire object) vT = ω r : tangential velocity ...
F x
... directly related to the force applied: F Hooke’s law (F = k L) applies to almost any solid (iron to bone) up to a point called the proportional limit. ...
... directly related to the force applied: F Hooke’s law (F = k L) applies to almost any solid (iron to bone) up to a point called the proportional limit. ...
Tangential force
... counterclockwise angular acceleration. <0 if the torque causes a clockwise angular acceleration. In a system of more than one torque, the sign of each torque is determined by the type of angular acceleration it alone would produce. The net torque acting on the system is the sum of each individual ...
... counterclockwise angular acceleration. <0 if the torque causes a clockwise angular acceleration. In a system of more than one torque, the sign of each torque is determined by the type of angular acceleration it alone would produce. The net torque acting on the system is the sum of each individual ...
