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If the sum of all forces on an object is zero, then the object remains in constant,

uniform motion.

'Constant uniform motion' means motion in a straight line at a constant speed.

The physical description of such motion is "constant velocity".

"Rest" is just constant velocity with a speed of zero.

If the sum of all forces on an object is NOT zero, then the object's velocity must

change. The change may consist of speeding up, slowing down, or turning in a

different direction.

Q: What are the condition for an object to stay at rest to keep moving at constant velocity or to move with increasing velocity?

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Velocity is Speed in a given direction. Moving at constant velocity is equivalent to say moving with a constant speed in a specified direction. So, moving at constant velocity implicitly means moving with constant speed.

A car moving at constant speed in a straight line is also moving at constant velocity.

there is no acceleration if the body is moving with constant velocity

Constant velocity has speed always constant along the direction with respect to time. Variable velocity changes its speed with respect to time. Constant velocity has zero acceleration. Variable velocity has non-zero acceleration . An object moving at a constant velocity maintains both the same speed and direction. An object moving at a variable velocity can be changing speed or direction of travel or both.

A balanced force is either not moving or at a constant velocity

Related questions

The Condition of Equilibrium, Force equal zero, is the condition of an object at rest or moving at constant velocity. Non-Equilibrium Condition, Force is not zero, is the condition for an object to move with increasing velocity.

A body is moving at constant velocity including zero at Equilibrium Condition, No change of energy or zero force. With force a body can accelerate, move with increasing velocity.

The condition for an object to stay at rest or if moving, moving at a constant velocity is that the sum of forces acting on the object be zero or that no force acts on the object.

The condition for an object to stay at rest or if moving, moving at a constant velocity is that the sum of forces acting on the object be zero or that no force acts on the object.

Velocity is Speed in a given direction. Moving at constant velocity is equivalent to say moving with a constant speed in a specified direction. So, moving at constant velocity implicitly means moving with constant speed.

The condition for an object to stay at rest or if moving, moving at a constant velocity is that the sum of forces acting on the object be zero or that no force acts on the object.

No resultant forces act upon it

a "body" "moving body" an "object" is moving with constant velocity. [OR] a "body" is moving with constant velocity.

A car moving at constant speed in a straight line is also moving at constant velocity.

If the distance is not changing, the object is not moving. If the distance is increasing or decreasing linearly then the object is moving at a constant velocity. If the distance is increasing or decreasing parabolically then the object is being accelerated or decellerated.

If the sum of all forces on an object is zero, then the object remains in constant, uniform motion. 'Constant uniform motion' means motion in a straight line at a constant speed. The physical description of such motion is "constant velocity". "Rest" is just constant velocity with a speed of zero. If the sum of all forces on an object is NOT zero, then the object's velocity must change. The change may consist of speeding up, slowing down, or turning in a different direction.