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What happens to her rotational kinetic energy when she pulls her arms in?
When she pulls her arms in, her rotational kinetic energy increases because her moment of inertia decreases, causing her to spin faster.
Is angular momentum conserved when a spinning ice skater pulls in their arms?
Yes, angular momentum is conserved when a spinning ice skater pulls in their arms. This is because the skater's rotational speed increases as they bring their arms closer to their body, balancing out the decrease in their moment of inertia.
When a spinning skater pulls in her arms to turn fasterher angular momentum?
When a spinning skater pulls in her arms to turn faster, her angular momentum is conserved. Angular momentum is the product of an object's moment of inertia and its angular velocity. By pulling her arms in, the skater decreases her moment of inertia, causing her angular velocity to increase in order to maintain a constant angular momentum. This is similar to the principle of conservation of angular momentum seen in other rotating systems.
What myofilament does the pulling?
The myosin myofilament pulls on the actin myofilament during muscle contraction. This interaction, known as the sliding filament theory, results in the shortening of the sarcomere and muscle contraction.
When horse pulls the cart the action is on what?
When a horse pulls a cart, the action is on the horse. The horse exerts force on the cart through its harness, which causes the cart to move. This action is a result of the horse's muscle power and body strength.
Which muscle pulls the shoulder backward and downward?
trapezius
What muscle that pulls the arms back from across the chest?
Pectoralis Major
When a muscle contracts, it pulls with what force?
When a muscle contracts, it pulls with a force generated by the muscle fibers contracting and shortening.
Is it true that when a horse pulls forward on a wagon the wagon pulls backward to the same extent on the horse?
yes
What is the muscle for elevats and retracts the lower jaw?
The muscle responsible for elevating and retracting the lower jaw is the temporalis muscle. This fan-shaped muscle is located on the side of the head and plays a key role in the process of mastication (chewing). When it contracts, it not only raises the mandible but also pulls it backward, contributing to the retraction movement.
What does a muscle do when it pulls?
it hurts
When a muscle pulls it gets?
an erection
When a muscle receives a nerve signal it and pulls on a tendon?
The muscle responds and pulls on a bone by way of a tendon. It can not react until the nerve tells it to.
Muscle that pulls or pushes the lungs?
Diaphram
What muscle pulls your arm down?
shoulder
When muscle receives a nerve signal it blank and pulls on a tendon?
The muscle responds and pulls on a bone by way of a tendon. It can not react until the nerve tells it to.
When a muscle pulls what happens?
you have then stretched your tendon / muscle beyond the normal range .
