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What is the relationship between unbalanced forces and second law of motion?
The second law of motion (F=ma) states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. Unbalanced forces occur when the net force acting on an object is not zero, causing the object to accelerate in the direction of the net force. This relationship between unbalanced forces and the second law of motion explains how objects accelerate or change their motion when unequal forces are applied to them.
What are unbalanced foeces?
Unbalanced forces occur when the forces acting on an object are not equal in size and opposite in direction. This results in a net force on the object, causing it to accelerate in the direction of the larger force. Unbalanced forces are responsible for changes in an object's motion.
If an odject is at rest all forces acting on that obkect is?
If an object is at rest 2 forces are still acting on it (if done on a planet) gravity pushing the object down. And the up force which is the force exerted by ground upwards against the object. Gravity being the greater force keeps the object on the ground, but the upforce prevents the object from basically ploughing through the ground.
What is meant by action-reaction forces?
Action-reaction forces refer to Newton's third law of motion, which states that for every action, there is an equal and opposite reaction. This means that whenever one object exerts a force on a second object, the second object exerts an equal and opposite force back on the first object. These forces always occur in pairs and act on different objects.
What is the forces that produce a net force of 0 N on an object?
Any pair of forces that has the same magnitude (strength) and opposite direction. For example, when putting an object on atablet (a puppy) Gravity acts upon the puppy to pull it down but it doesn't go down because there is a force that the table is acting on the puppy, with the same magnitude as the gravity but the direction is upward. => equilibrium forces.
When does an object stop?
An object stops when the forces acting on it result in a net force of zero, causing it to reach a state of equilibrium. This can occur when the forces are balanced, such as when the force of friction is equal and opposite to the applied force.
Is it possible for an object to not be in motion and still have forces acting on it?
Yes, it is possible for an object to not be in motion and still have forces acting on it. This situation could occur if the forces acting on the object are balanced, resulting in a state of equilibrium where there is no net force causing motion.
What are ways objects can accelerate?
Objects can accelerate through forces like gravity, friction, and applied external forces. Acceleration can also occur from changes in an object's direction or speed.
When is net force zero but torque is not?
When multiple forces acting on an object cancel each other out, resulting in a net force of zero, but those forces are not aligned to pass through the object's center of mass, causing a torque to be present. This situation can occur when forces are exerted at different distances from the center of mass, creating a rotational effect even though the object remains stationary.
What are the forces acting on an object that combine a form a net force of zero?
When the forces acting on an object cancel each other out, the net force is zero. This can occur when equal forces are applied in opposite directions, or when multiple forces with different magnitudes and directions balance each other. When the net force is zero, the object will either remain at rest or move at a constant velocity.
When and why does the speed of an object change with time?
The speed of an object changes with time when there is an external force acting on it, causing acceleration. This change in speed can occur when the object is accelerating or decelerating due to forces like gravity, friction, or applied thrust.
What does balanced and un balanced forces?
Balanced forces occur when two forces acting on an object are equal in size and opposite in direction, causing no change in the object's motion. Unbalanced forces occur when the two forces are unequal in size, causing the object to accelerate in the direction of the larger force.
What is an unblanced force?
An unbalanced force is when the net force acting on an object is not zero, causing the object to accelerate or change its motion. This can occur when there is a greater force acting in one direction compared to opposing forces.
For motion to occur?
For motion to occur, an object must experience a force that causes it to accelerate and move. This force can come from sources like gravity, friction, or applied forces. In the absence of a force, an object will remain stationary or in constant motion.
What forces are combinations of pushing and pulling forces?
Tension and compression forces are combinations of pushing and pulling forces. Tension forces occur when an object is being pulled apart, while compression forces occur when an object is being pushed together. Both forces act along the length of an object, causing it to either stretch or compress.
What changes occur to an object when force is applied on it?
When a force is applied to an object, it can cause the object to accelerate, move, deform, or change its shape. The specific changes that occur depend on factors such as the magnitude and direction of the force, as well as the properties of the object, such as its mass or elasticity.
When does the spin occur on an object when a force is applied anywhere except for?
The spin occurs on an object when a force is applied anywhere except for its center of mass.
