A force acts on an object. Which option describes an action that could prevent the object from moving?(1 point)
Responses
a force applied in the same direction with a greater magnitude at the same time
a force applied in the same direction with a greater magnitude at the same time
a force applied in the same direction with the same magnitude at the same time
a force applied in the same direction with the same magnitude at the same time
a force applied in the opposite direction with a greater magnitude at the same time
a force applied in the opposite direction with a greater magnitude at the same time
a force applied in the opposite direction with the same magnitude at the same time
Which option is the force with the greatest magnitude?(1 point)
Responses
the force needed to lift a hairbrush
the force needed to lift a hairbrush
the force needed to lift a pencil
the force needed to lift a pencil
the force needed to lift a textbook
the force needed to lift a textbook
the force needed to lift a chair
A force applied in the opposite direction with a greater magnitude at the same time.
The force needed to lift a textbook.
The correct option that describes an action that could prevent the object from moving is:
A force applied in the opposite direction with a greater magnitude at the same time.
To understand why this option is correct, we need to consider Newton's first law of motion, also known as the law of inertia. According to this law, an object at rest will remain at rest, and an object in motion will continue moving in a straight line at a constant speed, unless acted upon by an external force.
In this scenario, if a force is acting on an object and we want to prevent it from moving, we need to apply another force in the opposite direction. By applying a force in the opposite direction, we can cancel out the original force, resulting in a net force of zero. When the net force on an object is zero, it will not accelerate and thus not move.
To prevent the object from moving, the second force must have a greater magnitude than the original force. This is because the object is already experiencing a force if it is in motion or has a force acting on it. By applying a greater opposing force, we can overcome the original force and prevent the object from moving.