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What is required to get a stationary object moving?
An outside force is needed. If friction comes into play (which it likely will), the magnitude of the applied force must be greater than the force of friction acting upon the object in order for the object to move. FYI, the force of friction is equal to the coefficient of static friction times the normal force (equal to the weight of the object).
What causes a force to produce motion?
To move an object forward from rest the thrust of forward force must be greater than the drag acting in the opposite direction. In order to keep moving at a constant velocity the forward force must equal the drag.
What must happen to move an object at rest?
An external force must be applied to the object in order to overcome inertia and initiate motion. This force must be greater than any frictional or opposing forces acting on the object to cause it to start moving.
What is the force required to lift an object equal to?
The force required to lift an object is equal to the weight of the object, which is the mass of the object multiplied by the acceleration due to gravity (F = m * g). The force must overcome the gravitational force acting on the object in order to lift it.
What is the difference between thrust and weight?
Thrust is the force generated by an engine to propel an object forward, like an airplane. Weight is the force of gravity acting on an object, pulling it downward towards the Earth. In order for an object to fly, the thrust generated by its engines must be greater than its weight.
What is required to get a stationary object moving?
An outside force is needed. If friction comes into play (which it likely will), the magnitude of the applied force must be greater than the force of friction acting upon the object in order for the object to move. FYI, the force of friction is equal to the coefficient of static friction times the normal force (equal to the weight of the object).
In order to have a contact force acting on an object the force must be?
they must be touching
What causes a force to produce motion?
To move an object forward from rest the thrust of forward force must be greater than the drag acting in the opposite direction. In order to keep moving at a constant velocity the forward force must equal the drag.
In order to move an object at rest you must make sure the forces acting on that object are what?
To move an object at rest, you must apply a force to overcome the force of static friction that is keeping the object stationary. Ensuring that the applied force is greater than the force of static friction will allow the object to start moving.
What must happen to move an object at rest?
An external force must be applied to the object in order to overcome inertia and initiate motion. This force must be greater than any frictional or opposing forces acting on the object to cause it to start moving.
What is the scalar product of the force action on an object and the displacement caused by that force?
Work is the scalar product of the force acting on an object and the displacement caused by that force. In order for work to be done, the object must be moved in the direction of the force.
In order to impart the greatest momentum to an object you should?
In order to impart the greatest momentum to an object, you should both exert the largest force possible upon the object in question and extend that force for as long as possible. This is so because the greater the force acting on an object results in a greater change in velocity, which in turn yields a greater momentum. In addition to exerting the largest force possible on an object, you should also extend that force over the longest period of time as possible, as the sustained force also produces more momentum. As p= m•v, the best method in obtaining the greatest amount for 'p' would be to manipulate either the 'm' or 'v' variables. Force= acceleration= change in velocity= MOMENTUM. Greater amount of time= MOMENTUM
What is the force required to lift an object equal to?
The force required to lift an object is equal to the weight of the object, which is the mass of the object multiplied by the acceleration due to gravity (F = m * g). The force must overcome the gravitational force acting on the object in order to lift it.
What is the difference between thrust and weight?
Thrust is the force generated by an engine to propel an object forward, like an airplane. Weight is the force of gravity acting on an object, pulling it downward towards the Earth. In order for an object to fly, the thrust generated by its engines must be greater than its weight.
What kind of force do you need to stop a more massive object?
To stop a more massive object, you typically need a force that is greater than the object's momentum. This force must act in the opposite direction of the object's motion in order to decelerate it and eventually bring it to a stop. The larger the mass of the object, the greater the force required to stop it.
What is an object that acts as if there no forces acting on it all?
Inert- in order for any object to do anything, there has to be a force of some kind acting upon it, whether it be kinetic, heat, light, electrical, chemical or any other type of energy. An object that has nothing acting upon it doesn't do anything, because it can't.
In order for an object not to move the forces on it must all be?
In order for an object not to move, the forces on it must be balanced. This means that the net force acting on the object is zero, resulting in no acceleration and thus no movement.
