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Mass doesn't change. The relative appearance of that mass from the "stationary" observer does. Thus, a bus traveling at 50Mph weighs 20,000lbs, but at 95% the speed of light it's relative mass would be over 100,000 tons to the stationary observer. However, to the person traveling within or alongside the bus at the same speed, it's mass has not changed.

"Changing mass" implies that the object acquires new mass as it travels faster, which it cannot. It simply "appears" to change mass.

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What would happen if you doubled the force acting on a moving object?

Doubling the force acting on a moving object would cause the object to accelerate at a faster rate, leading to an increase in its speed. This is in accordance with Newton's second law of motion, which states that the acceleration of an object is directly proportional to the force acting on it.


When you double the force acting on an object and keep the mass of the cart constant the acceleration is?

Doubled. According to Newton's second law of motion, acceleration is directly proportional to the net force acting on an object when mass is constant. Therefore, doubling the force will lead to a doubling of acceleration.


How does the gravitational force between two object's change if the mass of one of the objects is doubled?

If the mass of one object is doubled, the gravitational force between the two objects will also double. This is because gravitational force is directly proportional to the product of the masses of the objects.


Why do objects accelerate as they fall to the ground?

Objects accelerate as they fall to the ground due to the force of gravity acting on them. As the object falls, the force of gravity causes it to increase in speed, resulting in acceleration. This acceleration is a result of the unbalanced force acting on the object.


What do you call it when an objects velocity changes?

A change in an objects velocity is called acceleration. Velocity is defined as an objects speed of travel AND its direction of travel. Acceleration can change only an objects speed, only its direction or both. If there is no acceleration acting on the object, then the velocity remains constant.

Related Questions

What would happen if you doubled the force acting on a moving object?

Doubling the force acting on a moving object would cause the object to accelerate at a faster rate, leading to an increase in its speed. This is in accordance with Newton's second law of motion, which states that the acceleration of an object is directly proportional to the force acting on it.


When you double the force acting on an object and keep the mass of the cart constant the acceleration is?

Doubled. According to Newton's second law of motion, acceleration is directly proportional to the net force acting on an object when mass is constant. Therefore, doubling the force will lead to a doubling of acceleration.


How could you keep an object acceleration the same if the force acting on object were doubled?

force = mass * acceleration if force is doubled, mass needs to be doubled to keep the same acceleration example: force = 6 mass = 2 acceleration = 3 6 = 2 * 3 12 = m * 3 12/3 = m 4 = mass


How does the gravitational force between two object's change if the mass of one of the objects is doubled?

If the mass of one object is doubled, the gravitational force between the two objects will also double. This is because gravitational force is directly proportional to the product of the masses of the objects.


Why do objects accelerate as they fall to the ground?

Objects accelerate as they fall to the ground due to the force of gravity acting on them. As the object falls, the force of gravity causes it to increase in speed, resulting in acceleration. This acceleration is a result of the unbalanced force acting on the object.


What do you call it when an objects velocity changes?

A change in an objects velocity is called acceleration. Velocity is defined as an objects speed of travel AND its direction of travel. Acceleration can change only an objects speed, only its direction or both. If there is no acceleration acting on the object, then the velocity remains constant.


What is the acceleration of an object that is equal to the net force acting on the object divided by the objects mass?

The acceleration of an object is equal to the net force acting on the object divided by the object's mass. This relationship is described by Newton's second law of motion. It means that the greater the force applied to an object or the smaller its mass, the greater its acceleration will be.


What two factors determine how great an objects acceleration is?

-- the object's mass -- the net force acting on it


What happens to the acceleration of an objects when the mass is cut in half?

The acceleration of an object is proportional to the net force acting on it. So if the force is reduced by half, the acceleration will also be halved. Of course, it will still be accelerating in the same direction as before, but not as quickly.


How could you keep an object acceleration the same if the force acting on the object were doubled?

By halving the mass. F = M A if F is doubled and A stays the same, in order for both sides to remain equal.. 2F = xM A x = .5


What is the effect of acceleration on an object which is not moving?

An object which is not moving is not experiencing any acceleration, other than the acceleration due to gravity, which, along with mass gives it its weight. The upward force (normal force) acting on the object is equal to but opposite to its weight, and all of the forces acting on the objects are in equilibrium so the net force is zero Newtons.


What is effect on inertia if the force doubled?

If the force acting on an object is doubled, the object's acceleration will also double according to Newton's second law (F = ma). Since inertia is the tendency of an object to resist changes in its motion, doubling the force will result in the object's inertia having a greater resistance to the change in acceleration.