The best definition for space contraction ?

The length of an object decreases in the same direction it is moving.

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All dimensions of an object decrease at high speeds.

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The length of an object increases in the same direction it is moving.

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Both length and width, but not depth, decrease at high speeds.

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Space is constant regardless of its location or state of motion.

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Solution

The correct option is A The length of an object decreases in the same direction it is moving.
When an object is moving relative to an observer, the length of the object as observed by a moving observer is less than that observed by a stationary one in the direction of the movement.

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Similar questions

Q. Force can only increase or decrease the speed of a moving object or change its direction.

If the force applied to an object is in the direction of its motion, its speed decreases.

If the net force on an object is acting in the direction of its motion, its speed decreases.

If the force is applied in the direction opposite to the direction of motion, then it results in a decrease in the speed of the object in the same direction of motion.

Q. The inertia of an object tends to cause an object :

(a) to increase its speed
(b) to decrease its speed
(c) to resist a change in its state of motion
(d) to decelerate due to friction

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The best definition for space contraction ?

The correct option is A The length of an object decreases in the same direction it is moving.When an object is moving relative to an observer, the length of the object as observed by a moving observer is less than that observed by a stationary one in the direction of the movement.

The correct option is A The length of an object decreases in the same direction it is moving.
When an object is moving relative to an observer, the length of the object as observed by a moving observer is less than that observed by a stationary one in the direction of the movement.