Question

Which of the following is not directed along the axis of rotation?

A) Angular displacement C) Angular momentum

B) Centripetal acceleration D) Angular acceleration​

Answer 1

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Answer:

B) centripetal acceleration

Explanation:

Acceleration is defined to be in the direction of the change of velocity.

When something is moving in a circle, the velocity vector is always changing direction towards the center of the motion.

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Answer 2

Answer:

Concept:

A force that causes a body to follow a curved path is known as a centripetal force. It always moves in a direction that is the opposite of the body's velocity and in the direction of the immediate centre of curvature of the path. According to Isaac Newton, it is "a force by which bodies are dragged or forced, or in any other manner gravitate, towards a point as to a centre." According to Newtonian mechanics, gravity is the greatest force that propels astronomical orbits. A common illustration of centripetal force is when a body moves uniformly fast in a circular motion. The centripetal force is directed towards the centre of the circular route both along the radius and at right angles to the motion.

Given:

Which of the following steps is not parallel to the rotational axis?

A) Angular displacement

B) Centripetal acceleration

C) Angular momentum

D) Angular acceleration​

Find:

find the correct option for the given question

Answer:

The answer is option (B). Centripetal acceleration

Centripetal acceleration is a characteristic of an object's motion along a circular path. Centripetal acceleration applies to any item travelling in a circle with an acceleration vector pointing in the direction of the circle's centre. In your daily existence, you must have encountered numerous instances of centripetal acceleration. A centripetal acceleration occurs when you drive in a circle, and a centripetal acceleration also occurs when a satellite orbits the earth. Centripetal refers to being in the middle. Since the number of metres per second by which your velocity changes every second, acceleration can be expressed in metres per second.

A shift in velocity is called acceleration. Your mind must be wondering how anything travelling in a circle at a constant speed might experience acceleration. Speed is a scalar quantity that measures how quickly an object is moving and lacks any sense of direction. Velocity is a vector because it combines speed and direction but lacks a sense of direction. For instance, if Speed is 5 mph and Velocity is heading south at 5 mph. The centripetal acceleration is always caused by a force; in the case of a satellite, this force is gravity. It is the string's tension in the case of a swing-ball.

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