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It depends on the frame of reference (where it is).On Earth a body on a table is still rotating around the centre of the Earth. This implies a change of direction and thus having a velocity around the centre and an acceleration acceleration due to centripetal force that makes a body follow a curved path.

Eben without this the body is orbiting the sun with the same impact

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13y ago

An object at rest has by definition zero velocity. However, because an object at rest on a table is maintaining its zero velocity, it must also have zero acceleration.

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Q: Can a body resting on a table have zero velocity and nonzero acceleration?
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Why does the grain of a table go along its length instead of its width?

For a rectangular table resting on four legs, the load of the stuff on the table puts the highest stress in the long direction. In that direction, the wood is much stronger, so the table can hold a lot more than if the grain went the other way.


If a ball rolls off the edge of a table two meters above the floor and with an initial velocity of 20 meters per second what is the ball's acceleration and velocity just before it hits the ground?

The horizontal velocity has no bearing on the time it takes for the ball to fall to the floor and, ignoring the effects of air resistance, will not change throughout the ball's fall, so you know Vx. The vertical velocity right before impact is easily calculated using the standard formula: d - d0 = V0t + [1/2]at2. For this problem, let's assume the floor represents zero height, so the initial height, d0, is 2. Further, substitute -g for a and assume an initial vertical velocity of zero, which changes our equation to 0 - 2 = 0t - [1/2]gt2. Now, solve for t. That gives you the time it takes for the ball to hit the floor. If you divide the distance traveled by that time, you know the average vertical velocity of the ball. Double that, and you have the final vertical velocity! (Do you know why?) Now do the vector addition of the vertical velocity and the horizontal velocity. Remember, the vertical velocity is negative!


A ball rolls off a table and falls 80 m to the floor landing with a speed of 4.5 ms What is the magnitude of the acceleration of the ball just before it strikes the ground?

It's 9.81m/s since vertical acceleration is always constant.


A ruler is on the table with the higher numbers to the right. An ant crawls along the ruler from 6 cm to 2 cm in 2 seconds. Describe the ants distance displacement speed and velocity?

A tyrant


What is a word table?

When you insert a table into a document, you must specifi the STYLE of a table

Related questions

Does a dish resting on a table have constant acceleration?

An object at rest has zero speed and zero acceleration.


Is a book at rest on a table with gravity pulling down an example of acceleration?

Acceleration is zero in this case. Acceleration means the velocity is actually changing.


Is acceleration due to gravity act on a body resting on a table zero?

no,but the table exerts an equal & opposite force so net force is zero.


An object always accelerates in the same direction as what?

An acceleration is a change in velocity. Velocity is a vector quantity; it tells you about both an object's speed and its direction of travel (vectors are often represented as arrows; the length of the arrow is the magnitude, here the speed, and it points in the relevant direction). So you can see that a change in either an object's speed or direction counts as a change in velocity, and is therefore an acceleration.


Think Critically A book resting on a table slows down and comes to a stop Explain whether the forces acting acting on the book are balanced or unbalanced?

As long as the book's velocity changes, there is a net forces acting on it - in other words, the forces are unbalanced. By the way ... How exactly does a book that is resting on a table slow down and come to a stop ?


How can an object moving at a constant speed have a nonzero acceleration?

Let's review some terms before we tackle this one. Speed is displacement per unit of time. We know 60 miles per hour is a speed. Velocity is speed with a direction vector associated with it. We know 60 miles per hour east is velocity. Acceleration is a change in velocity. That means if an object changes its speed or its direction or both, it is accelerating.If an object has a given velocity and it slows down or speeds up, it is accelerated. But if the same object changes direction without a change in speed, it is still experiencing acceleration. A force had to act on the object to change its direction, even though its speed didn't change. Thus, an object can accelerate even though it does not change speed.


Why acceleration due to gravity in water than less than outer side relation?

The acceleration due to gravity on or close to the earth's surface is always g, (981cm/s/s). An object can be restricted from achieving this in many ways eg putting it on a table top. Nobody asks why the acceleration due to gravity is zero on table tops. Water also restricts acceleration due to viscosity, which, as for parachutes in air, will be velocity dependent. So the short answer is, in water the object is in a restricting environment, unlike in free fall where the acceleration will be g.


Why wont a book resting on a table fall to the ground What forces are acting on the book?

The book will not fall to the ground because of the force of gravity pulling it down and the normal force exerted by the table pushing it up. These two forces are equal and opposite, resulting in a balanced system where the book remains stationary.


What forces act on a frictionless air puck as it moves across a table in a straight line?

The force of air from the airholes on the puck, and the resultant force. A shear force (v). Velocity and acceleration forces, as well as gravity.


Why is the slope of a distance velocity squared graph straight and a distance velocity graph is not?

When acceleration is constant, one equation of kinematics is: (final velocity)^2 = 2(acceleration)(displacement) + (initial velocity)^2. When you are graphing this equation with displacement or position of the x-axis and (final velocity)^2 on the y-axis, the equation becomes: y = 2(acceleration)x + (initial velocity)^2. Since acceleration is constant, and there is only one initial velocity (so initial velocity is also constant), the equation becomes: y = constant*x + constant. This looks strangely like the equation of a line: y = mx + b. Therefore, the slope of a velocity squared - distance graph is constant, or there is a straight line. Now, when you graph a velocity - distance graph, the y axis is only velocity, not velocity squared. So if: v^2 = mx + b. Then: v = sqrt(mx + b). Or: y = sqrt(mx + b). This equation is not a straight line. For example, pretend m = 1 and b = 0. So the equation simplifies to: y = sqrt(x). Now, make a table of values and graph: x | y 1 | 1 4 | 2 9 | 3 etc. When you plot these points, the result is clearly NOT a straight line. Hope this helps!


What happens to the horizontal velocity of a ball after it rolls off a table?

The horizontal velocity will be equal to the translational velocity of the ball right before it falls off the table. ============================== When we do exercises that deal with the behavior of the ball after it leaves the edge of the table, we always ignore air resistance. When we do that, the horizontal component of velocity remains constant forever, or at least until the ball hits something.


Equal and opposite forces that do not produce an acceleration?

A book setting on the table. The force of gravity is balanced by the equal and opposite force of the table holding the bookk. No acceleration of the book due to those forces.