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If you are on a moving train and you toss a coin where does the coin land?
This sounds like a joke question. If you toss a coin in a train, it lands in the train. If you toss it out the window, or otherwise off the train, it lands on whatever is out there. On the other hand, assuming this is not a joke, the coin will land where it would if you tossed it if the train were stationary. In other words, the coin is moving at the same velocity as the train before the coin toss, and since that part of its momentum is preserved through the toss, it will land, relative to the train, in the same place. This assumes, of course, that the train is not changing speed during the coin toss, that the windows are not admitting a wind, and so on.
How can you have negative acceleration but not negative speed?
The negative part in negative acceleration is indicating direction, as acceleration is a vector quantity. Speed however, is a scalar and has magnitude only and therefore cannot be negative. An example could be -2.6ms-2 meaning that there is an acceleration of 2.6ms-2 but in the opposite direction to other vectors.
What is the part of a line that has an end point and runs in one direction?
Ray - A ray is part of a line that has one endpoint. It continues in one direction without ending.
Direction of Star of Bethlehem?
The star was seen in the eastern part of the sky, and will be the direction from which Christ will come for the last time.
What is part of a line that is endless in one direction called?
A ray.
Which part of a train moves in the opposite direction from the rest?
The bottom half of the wheels
A train is moving and it suddenly turn hard right on what direction will the passengers move if the passeengers are on the middle part of the train?
Definitely to the left inside the train; but actually they are in the train and when the train goes right they oughta go the same way
What is the force that accompanies a moving part?
The force that accompanies a moving part is typically called kinetic friction. This force acts opposite to the direction of motion and arises due to the contact between the surfaces of the moving part and its surroundings. It resists the movement of the part and is proportional to the normal force pressing the surfaces together.
What part of a force does work when the direction of the force and the direction of motion are not the same?
Force only takes place in the direction of the motion. It cannot be any other way. It could be argued that the action of a cars tyres on the road applies to your question. The car moves forward while the tyres push the earth in the opposite direction. However the tyres are the motion supplying the force and not the car moving in the opposite direction..
What is the caudal direction?
The caudal direction refers to the tail end or posterior part of the body in anatomy. It is the opposite of the cranial direction, which refers to the head or anterior part of the body.
What is the opposite movement of elevation?
The opposite movement of elevation is depression, which involves moving a body part downward.
What is a caudad direction?
Caudad refers to a direction towards the tail or lower part of the body. It is the opposite of cephalad, which refers to a direction towards the head or upper part of the body.
What is the speed of an object moving on a particular direction?
The speed of an object moving in a particular direction is called the velocity and it's a vector, that is, it has magnitude and direction. Speed is the scalar part of velocity.
What is meant by shearing force in relation to moving someone?
Shearing force refers to the force that is applied when one part of the body moves in one direction while an adjacent part moves in the opposite direction. In the context of moving someone, shearing force can result in skin friction and tissue damage if the person is dragged or moved in a way that causes opposing forces on different parts of their body. It is important to minimize shearing forces when moving someone to prevent injury.
What does aducting mean?
Aducting usually refers to the process of moving a body part closer to the midline of the body. It is the opposite of abducting, which involves moving a body part away from the midline.
What is the difference between lateral and medial rotation in terms of movement and anatomical positioning?
Lateral rotation involves moving a body part away from the midline of the body, while medial rotation involves moving a body part towards the midline. Anatomically, lateral rotation occurs in a horizontal plane, while medial rotation occurs in the opposite direction.
How do you lubricate a model train?
Use light grease around all the moving part s of the loco.
