2. If the torque rotates an object counterclockwise is usually ____, and if the torque rotates an object clockwise its considered _____. a. Neutral; positive b. Positive; negative c. Negative; positive
Counterclockwise torque is usually positive while clockwise torque is negative.
Hence the correct option is, (b) positive, negative
***********************************************************************************************
Check the answer and let me know immediately if you
find something wrong or missing... I will rectify the mistakes asap
if any
2. If the torque rotates an object counterclockwise is usually ____, and if the torque rotates...
to and fixed to . A small sphere attachod to a light rigid rod rotates about an axis perpe the other end of the rod Relative to the positive direction of the axis of rotation, the angular positions of the sphere are positive, its angular velocity is positive, and its angular acceleration is negative. The sphere is a) rotating clockwise and speeding up b) rotating elockwise and slowing down c) rotating d) rotating counterclockwise and slowing down e) first rotating...
How are the signs of torque designated according to the clockwise, that is, hourly and anti-clockwise? a. Torque is positive if it is an hour. b. The torque is positive if it is counter-clockwise and negative in a clockwise manner. c. Torque is zero if it is clockwise and negative counterclockwise. d. The torque is negative if it is counter-clockwise.
Prelab 12 Static Equilibrium 2 1. What are the two requirements for an extended object to be in equilibrium? a) b) 2. Refer to the experiment: Does the tension of the string cause a clockwise or counterclockwise torque about the pivot point? Is it negative or positive? a) b) 3. Does the hanging mass cause cw or ccw torque about the pivot? Negative or positive? a) b) 4. Where does the weight of the boom act? (the net torque from...
Bar OC rotates with a clockwise angular velocity woc = 3.3 rad/s and a counterclockwise angular acceleration Coc = 2.8 rad/s2. The bar OC is a slotted member which accommodates the pin A attached to the sector. Determine the angular velocity w and the angular acceleration a of the sector. The angular velocity and the angular acceleration are positive if counterclockwise, negative if clockwise. 31 B 305 mm DOC 11 doc OA = 380 mm Answers: rad/s rad/s2 Bar OC...
Crank OA rotates with a constant counterclockwise angular velocity of 13.6 rad/s. Determine the angular acceleration oAB of link AB for the position shown. The angular acceleration is positive if counterclockwise, negative if clockwise 65 mm 13.6 radls 0 AB 135 mm Answers: OAB rad/s2
12. (S)-(-)-Serine: (a) (b) (c) (d) is dextrorotatory rotates plane-polarized light in a counterclockwise direction rotates plane-polarized light in a clockwise direction is racemic
(S)-(-)-Serine: (a) (b) C (d) is dextrorotatory rotates plane-polarized light in a counterclockwise direction rotates plane-polarized light in a clockwise direction is racemic
(S)-(-)-Serine: (a) (b) (c) (d) is dextrorotatory rotates planc-polarized light in a counterclockwise direction rotates plane-polarized light in a clockwise direction is racemic
A metal bar rotates counterclockwise in a magnetic
field as shown. Does the bar have a motional emf? If not, why not?
If so, is the outerend of the bar positive or negative?
Explain.
4. A metal bar rotates counterclockwise in a magnetic field as shown. x oes the bar have a motional emf? If not, why not? If so, is the outer end of the bar positive or negative? Explain. ㄨㄨㄨㄨㄨ Pivot ㄨㄨㄨㄨㄨㄨ ㄨㄨㄨㄨㄨㄨ
(a) One blade of a pair of scissors rotates counterclockwise in the xy plane. What is the direction of omega for the blade? into the xy plane out of the xy plane clockwise counterclockwise (b) What is the direction of alpha if the magnitude of the angular velocity is decreasing in time? into the xy plane out of the xy plane clockwise counterclockwise