A mass accelerates uniformly when the resultant force acting on it is......?
F = m a
CONSTANT acceleration requires constant force.
Is constt but non zero
When the resultant force acting on an object is non-zero, the object will accelerate. If the acceleration is constant, it is called uniform acceleration.
To determine when a mass accelerates uniformly, you need to consider Newton's second law of motion. This law states that the acceleration of an object is directly proportional to the net force acting on it, and inversely proportional to its mass. Mathematically, it can be expressed as:
F = m * a
Where:
F is the resultant force acting on the object,
m is the mass of the object,
a is the acceleration of the object.
Therefore, if you want the mass to accelerate uniformly, the resultant force acting on it should be directly proportional to the desired acceleration. In other words, the resultant force should be constant, meaning it does not change with time or position. By maintaining a constant force, the mass will experience a constant acceleration, resulting in uniform motion.