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How many degree of freedom does a physical structure have?
Zero. Assuming that the physical structure is FIXED (as in a building or something). It cannot move in the x-direction (sideways), the y-direction (upwards), or be rotated about an axis (z-direction). Take the front wheels of a car, for instance. The can move left and right (x-direction) and can rotate (z-direction), but cannot move upwards.
In space an astronaut hammers nails the hammer moves in one direction and the astronaut moves?
Due to Newton's 3rd law of motion the astronaut would move in the opposite direction unless he/she is braced against something.
What happens if an astronaut hits a large boulder with a hammer in space?
That depends on where He/She is standing: On the moon: Not much different that earth. In a space station: Umm, why is there a boulder in the space station again? Floating in space: He/she would fly backwards and the boulder would move away very slowly. Friction and gravity would keep the person in place on the Earth, moon or space station. However, when they are floating there is no external force. At that point the law of consevation of momentum is in full effect. ( p = m v ) Since the astronaut has a much smaller mass he/she moves more. A similar action-reaction can be seen when firing a standard gun. The bullet has a small mass compared to the person. The bullet moves very fast in one direction while the person only moves a little in the opposite direction.
How do you move the blocks in the ds game of Indiana Jones and the Staff of Kings?
just touch it then move the stylus in the direction you want the block to move
In which direction did industries steadily move during the 1800s?
Industries moved west in the 1800s.
How do you think a magnet can cause an object to move?
A magnet can cause an object to move by creating a magnetic force that attracts or repels the object, depending on the object's own magnetic properties. This force can pull or push the object in the direction of the magnet, causing it to move.
What direction will a magnet line up in if it is free to move?
A freely moving magnet will align itself in a north-south direction, pointing towards the Earth's magnetic poles. This behavior is due to the magnet's natural attraction to the Earth's magnetic field lines.
What happens to the direction of the current when you move the magnet back and forth?
When you move the magnet back and forth near a coil of wire, it induces an alternating current in the wire. The direction of this induced current changes as the magnet moves due to Faraday's law of electromagnetic induction, which states that changing magnetic fields induce an electromotive force (emf) in a conductor.
Can a magnet move a car?
A magnet can move a car, if the magnet is strong enough.
What can move on a scrap heap magnet?
Ferromagnetic materials such as iron, steel, and nickel can be attracted to a scrap heap magnet due to their magnetic properties. Other non-ferromagnetic items, such as plastic or wood, would not be affected by the magnet and would not move.
What do the lines around a bar magnet?
The lines around a bar magnet represent the magnetic field. They indicate the direction in which a magnetic north pole would move if placed in the field. The density of the lines indicates the strength of the magnetic field.
What direction would move your slide if an object is on the right which direction do you move the slide to center it?
Left
Do the magnetic lines of force actually exist?
No actual 'lines' exist, but it is a useful way of describing a magnetic field, as it represents the direction the north pole of a magnet would move if it was free to do so.
How can you fix a compass that is next to a magnet?
To fix a compass near a magnet, move the compass away from the magnet to ensure accurate readings. If that doesn't work, try demagnetizing the compass by rubbing a strong magnet in the opposite direction. Finally, calibrate the compass according to manufacturer instructions to reset its accuracy.
When a van with closed doors containing helium balloon floating on it accelerates what happens to helium balloon?
It appears to move in the opposite direction to the motion of the van
What do we call the lines of force surrounding a magnet?
Magnetic field lines. These lines represent the direction in which a small north magnetic pole would tend to move if placed at any given point in the field.
What are the imaginary lines of force around magnet called?
The imaginary lines of force around a magnet are called magnetic field lines. These lines represent the direction in which a north magnetic pole will tend to move if placed in the field.
