when an object is pivoted at a corner, a turning effect about the pivot is caused by
centripetal acceleration and the law of conservaton of momentum
When an object is pivoted at a corner, a turning effect about the pivot is caused by the application of a force. This force can either be applied directly to the object through contact, or it can be an external force acting on the object.
The turning effect, also known as torque, is produced when this force is applied at a distance from the pivot point. The distance at which the force is applied from the pivot point is called the moment arm. The longer the moment arm, the greater the turning effect will be.
The turning effect is determined by both the magnitude of the force and the perpendicular distance from the line of action of the force to the pivot point. This perpendicular distance is known as the lever arm.
In summary, when an object is pivoted at a corner, the turning effect about the pivot is caused by the application of a force at a distance from the pivot point. The magnitude of the turning effect depends on both the force applied and the lever arm.
When an object is pivoted at a corner, a turning effect about the pivot is caused by the application of a force to the object. This turning effect is known as torque.
To calculate the torque exerted on an object, you need to consider both the magnitude of the force applied and the distance between the pivot point and the line of action of the force. This distance is called the lever arm.
The torque (τ) is given by the formula:
τ = force × lever arm
The lever arm refers to the shortest perpendicular distance between the line of action of the force and the pivot point. It determines the effective lever or moment arm that determines the turning effect.
When a force is applied at a distance from the pivot point, it creates a rotational force that causes an object to rotate around the pivot. The larger the force or the longer the lever arm, the greater the torque, resulting in a stronger turning effect.
It's important to note that the torque depends on the direction of the force. If the force is applied perpendicular to the lever arm, it generates maximum torque. However, if the force acts parallel to the lever arm, it produces no torque.
Overall, the turning effect about a pivot is caused by the combination of force and the lever arm, which determines the torque exerted on an object.