- 1 How do the clockwise and the counterclockwise torques compare?
- 2 Why is counterclockwise torque positive?
- 3 Is clockwise left or right?
- 4 Why are clockwise moments considered negative?
- 5 Is torque positive or negative?
- 6 How do you maximize torque?
- 7 Why does torque increase with distance?
- 8 What is the rule of balance?
- 9 Does torque have direction?
- 10 When an object is experiencing a net torque?
- 11 How do you determine the direction of a couple?
- 12 What does clockwise mean?
- 13 What does counterclockwise mean in math?
How do the clockwise and the counterclockwise torques compare?
In physics, the counterclockwise direction is defined as positive and clockwise is negative for rotational variables. Counterclockwise is the positive rotation direction and clockwise is the negative direction. For example, a torque that rotates an object counterclockwise is a positive torque (see figure 6 below).
Why is counterclockwise torque positive?
(Figure) shows counterclockwise rotations. The torque in (Figure) is positive because the direction of the torque by the right-hand rule is out of the page along the positive z-axis. The disk rotates counterclockwise due to the torque, in the same direction as a positive angular acceleration.
Is clockwise left or right?
Clockwise is spinning in the direction of an analog clock. It is a way to describe circular motion. Left or Right turns are ways of describing a change in approach. Clockwise is constantly turning to the right.
Why are clockwise moments considered negative?
Clockwise moments are considered negative when summed with counterclockwise moments because they are opposites of each other, but also because counterclockwise moments are positive since when acting upon an object, they move the object up on the Y-Axis.
Is torque positive or negative?
Torque is a vector quantity that has direction as well as magnitude. Turning the handle of a screwdriver clockwise and then counterclockwise will advance the screw first inward and then outward. By convention, counterclockwise torques are positive and clockwise torques are negative.
How do you maximize torque?
Torque can be increased in two ways: 1) by increasing the moment arm or 2) increasing the perpendicular force applied to the moment arm. The opposite is true for decreasing torque. If an object is at rest the torques on the object are balanced (they cancel out) and sum of those torques is zero.
Why does torque increase with distance?
At a greater distance from the axis the arc is larger, there is more distance to cover the same angle. The moment arm affects the force in a torque because a larger moment arm, radius, or perpendicular distance means more distance to cover the same angle of rotation.
What is the rule of balance?
The rule for something to be balanced is called the principle of moments and is written as follows: The principle of moments. When an object is balanced (in equilibrium) the sum of the clockwise moments is equal to the sum of the anticlockwise moments. Force 1 x distance 1 from pivot = Force 2 x distance 2 from pivot.
Does torque have direction?
Right Hand Rule for Torque
Torque is inherently a vector quantity. Part of the torque calculation is the determination of direction. The direction is perpendicular to both the radius from the axis and to the force. It is conventional to choose it in the right hand rule direction along the axis of rotation.
When an object is experiencing a net torque?
So, a net torque will cause an object to rotate with an angular acceleration. Because all rotational motions have an axis of rotation, a torque must be defined about a rotational axis. A torque is a force applied to a point on an object about the axis of rotation.
How do you determine the direction of a couple?
Determine the sign of the moment on your own, clockwise is minus, counterclockwise is plus. The vector direction of the moment or couple is always perpendicular to the plane of the moment or couple. Now, when I align my hand along either force and curl towards the other, I always get a negative moment (clockwise).
What does clockwise mean?
: in the direction in which the hands of a clock rotate as viewed from in front or as if standing on a clock face.
What does counterclockwise mean in math?
Moving in the opposite direction to the hands on a clock. Also called Anticlockwise (British English). Angles from a line are usually measured counterclockwise.