How are the signs of torque designated according to the clockwise, that is, hourly and anti-clockwise?...
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.
Homework Answers
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How are the signs of torque designated according to the
clockwise, that is, hourly and anti-clockwise?...
2. If the torque rotates an object counterclockwise is usually ____, and if the torque rotates...
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
Two closed thermodynamic cycles are illustrated in the figure. The ideal gas sample can be processed clockwise or count...
Two closed thermodynamic cycles are illustrated in the figure.
The ideal gas sample can be processed clockwise or counterclockwise
through either cycle.
Part A
Imagine processing the gas clockwise through
Cycle 1. Determine whether the change in internal energy of the gas
in the entire cycle is positive, negative, or zero.
Choose the correct description of
for Cycle 1.
positive
zero
negative
cannot be
determined
Part B
Imagine processing the gas clockwise through
Cycle 1. Determine whether the work done...
EXPLAIN Q5. In a electric machine, regenerative power is produce when.... a) both speed and torque...
EXPLAIN
Q5. In a electric machine, regenerative power is produce when.... a) both speed and torque are positive (b) both speed and torque are negative (c) speed or torque are negative (d) speed and torque are opposite signs (e) none of the above
Let C be the counter-clockwise planar circle with center at the origin and radius r o. VWithout computing them, determine for the following vector fields F whether the line integrals F. dr are positi...
Let C be the counter-clockwise planar circle with center at the origin and radius r o. VWithout computing them, determine for the following vector fields F whether the line integrals F. dr are positive, negative, or zero and type P, N, or Z as A. F the radial vector field-t1 + 30 B. F the circulating vector field -yi + xj C. F the circulating vector field -yi - zj D. F the constant vector field-i+j
Let C be the...
1. A B. C. (counter-clockwise current) What is the direction of the magnetic force on a...
1. A
B.
C.
(counter-clockwise current)
What is the direction of the magnetic force on a negative charge that moves through X хв. Bin X X X the magnetic field shown? < X b a Р What is the magnetic field at point P due to the current / in the wire shown? Let a 0.15 m, b = 0.55 m, and I = 200.0 A. Let out of the screen be positive and into the screen be negativ B...
The disk rotates about a fixed axis through point o with a clockwise angular velocity wo...
The disk rotates about a fixed axis through point o with a clockwise angular velocity wo = 20 rad/s and a counterclockwise angular acceleration 0o = 4.1 rad/s2 at the instant under consideration. The value of r is 260 mm. Pin A is fixed to the disk but slides freely within the slotted member BC. Determine the velocity and acceleration of A relative to slotted member BC and the angular velocity and angular acceleration of BC. The relative velocity and...
Starting with the fully eclipsed Newman projection, how many gauche and how many anti Newman projections...
Starting with the fully eclipsed Newman projection, how many gauche and how many anti Newman projections will you encounter when the back C atom (C3) in the C2-C3 bond in butane is rotated clockwise from 0 to 360 degrees? Select one: a. two gauche, one anti b. one gauche, two anti c. one gauche, one anti d. two gauche, two anti
An infinite straight wire carries a current I that varies with time as shown above. It...
An infinite straight wire carries a current I that varies with time as shown above. It increases from 0 at t = 0 to a maximum value 11 2.1 A att = t1 = 15 s, remains constant at this value until t = t2 when it decreases linearly to a value 4 = -2.1 A at t = t4 = 31 s, passing through zero at t = t3 = 25.5 s. A conducting loop with sides W 22...
(18. a. Draw a force vector at A whose torque about the axle is negative. b. Draw a force vector at B whose torque...
(18. a. Draw a force vector at A whose torque about the axle is negative. b. Draw a force vector at B whose torque about the axle is zero. c. Draw a force vector at C whose torque about the axle is positive. Axle 19. The dumbbells below
Don't understand how both are CCW. For the circuit shown below, when we open the switch,...
Don't understand how both are CCW.
For the circuit shown below, when we open the switch, the current quickly goes to zero. (Current goes away from the positive terminal of the battery.) While the current is decreasing to zero, what are the directions of the induced currents in loops A and B? Loop A. clockwise counterclockwise ? Loop B: clockwise or counterclockwise ?
Two closed thermodynamic cycles are illustrated in the figure.
The ideal gas sample can be processed clockwise or counterclockwise
through either cycle.
Part A
Imagine processing the gas clockwise through
Cycle 1. Determine whether the change in internal energy of the gas
in the entire cycle is positive, negative, or zero.
Choose the correct description of
for Cycle 1.
positive
zero
negative
cannot be
determined
Part B
Imagine processing the gas clockwise through
Cycle 1. Determine whether the work done...
EXPLAIN
Q5. In a electric machine, regenerative power is produce when.... a) both speed and torque are positive (b) both speed and torque are negative (c) speed or torque are negative (d) speed and torque are opposite signs (e) none of the above
Let C be the counter-clockwise planar circle with center at the origin and radius r o. VWithout computing them, determine for the following vector fields F whether the line integrals F. dr are positive, negative, or zero and type P, N, or Z as A. F the radial vector field-t1 + 30 B. F the circulating vector field -yi + xj C. F the circulating vector field -yi - zj D. F the constant vector field-i+j
Let C be the...
1. A
B.
C.
(counter-clockwise current)
What is the direction of the magnetic force on a negative charge that moves through X хв. Bin X X X the magnetic field shown? < X b a Р What is the magnetic field at point P due to the current / in the wire shown? Let a 0.15 m, b = 0.55 m, and I = 200.0 A. Let out of the screen be positive and into the screen be negativ B...
The disk rotates about a fixed axis through point o with a clockwise angular velocity wo = 20 rad/s and a counterclockwise angular acceleration 0o = 4.1 rad/s2 at the instant under consideration. The value of r is 260 mm. Pin A is fixed to the disk but slides freely within the slotted member BC. Determine the velocity and acceleration of A relative to slotted member BC and the angular velocity and angular acceleration of BC. The relative velocity and...
An infinite straight wire carries a current I that varies with time as shown above. It increases from 0 at t = 0 to a maximum value 11 2.1 A att = t1 = 15 s, remains constant at this value until t = t2 when it decreases linearly to a value 4 = -2.1 A at t = t4 = 31 s, passing through zero at t = t3 = 25.5 s. A conducting loop with sides W 22...
(18. a. Draw a force vector at A whose torque about the axle is negative. b. Draw a force vector at B whose torque about the axle is zero. c. Draw a force vector at C whose torque about the axle is positive. Axle 19. The dumbbells below
Don't understand how both are CCW.
For the circuit shown below, when we open the switch, the current quickly goes to zero. (Current goes away from the positive terminal of the battery.) While the current is decreasing to zero, what are the directions of the induced currents in loops A and B? Loop A. clockwise counterclockwise ? Loop B: clockwise or counterclockwise ?
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