If the speed/time graph slops negatively, that's an indication that the speed
is decreasing, i.e. the object is slowing down. The negative slop is also called
negative acceleration, since acceleration is the rate of change of velocity.
NO!!! It means that the object is decelerating(slowing down)
On a velocity time graph for an object to be stationary, it will be an horizontal line, co-linear with the x-axis (zero velocity). Time is continuous.
On a velocity time graph a positive slope is an object accelerating. An horizontal line above the x-axis , is the object is moving at constant velocity. A negative slope is the object decelerating. When the line touches the x-axis, the object is stationary. The area between the graph line and the x-axis is equivalent to the distance travelled.
NB The x-axis is the time axis and starts at the origin (0,0) hence it is deemed to be at zero velocity (stationary)
Yes. The graph indicates that the position does not change while the time is changing - ie the object is not moving.
Abduction
atoms and molecules are always moving
Unbalanced forces causes object's position to change, in which is known as acceleration. According to Newton's first law, an object will always be in the same position regardless if it is moving or not, unless an unbalanced force happens on it.
a high pressure system is moving into an area
cold,dry air
No. It always indicates that the object is not accelerating.
No. It always indicates that the object is not accelerating.
When something is moving or in motion, it can be changing position and direction. However, the object does not have to be doing both at the same time.
yes
While moving the microscope from one place to another, always keep it in an upright position.
Abduction
Stationary mean "not moving" so it must mean the the position is not moving or stay the same place.
A magnetic field is always associated with a moving charge. So, if current is there, it must be showing the magnetic effects though these are too small of daily relevance..
No. A red shift indicates that the object is moving away from the earth.
why does a shark always have to be moving in water
Your speedometer is broken.
a star is moving AWAY FROM EARTH