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What else can I help you with?
What is forces that cause a change in motion?
ANY force can cause a change in motion, as long as the sum of all the forces acting on an object is non-zero. For example, if two people pull on an object in opposite directions, and with forces that have the same magnitude, then the sum of the forces would be zero, and the object won't accelerate.
When several people are pushing on a large rock and it starts to roll what do you know about the forces acting on the track?
When the rock starts to roll, it suggests that the combined force from the people pushing is greater than the forces resisting the rock's movement, such as friction. This demonstrates that the net force acting on the rock is in the direction of motion.
What 2 things should you describe about a force that acts on an object?
Most objects have more than one force acting on them. Sometimes several forces act all in the same direction, such as when a ball is rolled downhill. Other times forces act in different directions. This is like a tug-of-war with a rope. Some people pull the rope one way, and others pull the opposite way. If the people on both sides are equally strong, then the rope doesn’t move. This is an example of balanced forces. But if the people on one side are stronger than thepeople on the other side, more force will come from the stronger group and they will pull the rope in their direction. This is an example of unbalanced forces. To find the overall effect of forces acting on an object, you add the forces together. This gives you the net force.
When finding net force why must you kow the directions of the forces acting on an object?
If you want to know the result of two people pushing a car with equal forces, it'sgoing to help you to know whether they're both pushing in the same direction orin opposite directions. And if you need them to move the car, I'm sure you'll knowwhich method you want them to use, and which method you don't want them to use.
Why do people think force is needed to move an object?
People might think force is needed to move an object because force is required to overcome inertia, the natural tendency of an object to resist changes in its state of motion. Force is necessary to accelerate or decelerate an object, change its direction, or counteract other forces acting upon it.
Is a push or pull on an object?
"Force" is the push or pull acting on an object... not that hard people. :D
What forces is acting when 2 people is on the sea-saw in unbalanced forces?
When two people are on a seesaw and one side is lower, the unbalanced forces are gravity acting on the people's masses. The force pulling down on one side causes it to lower while the other side rises, creating an imbalance.
When finding net force why must you the direction of the forces acting on an object?
To find the net force on an object, you must consider the directions of the individual forces because forces are vector quantities, meaning they have both magnitude and direction. Adding forces that are in the same direction leads to a larger net force, while forces in opposite directions can cancel each other out, affecting the object's overall motion.
What kind of forces does NOT change the motion of an object?
An object will not change its motion if the forces acting on it are balanced and equal in magnitude, resulting in a net force of zero. These forces can include gravitational force, tension force, and normal force when they are canceling each other out.
When several people are pushing on a large rock and it starts to roll what do you know about the forces acting on the rock?
When several people push on a large rock and it starts to roll, it means that the force applied by the people was greater than the force of friction holding the rock in place. This causes the rock to overcome static friction and start moving due to the net force acting on it. Once in motion, the force of kinetic friction will act to oppose the motion of the rock.
Why are vectors used to represt forces?
That simply means that when analyzing forces, the direction is quite often relevant. For example, if two people push an object in the same direction, the result will not be the same as if they push in opposite direction. A vector is simply a physical measurement that has both a magnitude (number) and a direction.
How do unbalanced forces affect an object's speed?
Newton's Laws of Motion tell us that the velocity of a body remains constant unless subject to a force. If there are more than one force acting, it will be the net force that causes any change in velocity. So in the case where the forces are balanced, nothing will change, but note you must be sure the forces are balanced in direction as well as magnitude. In fact what you have to do is evaluate the net force as a vector quantity. If the forces are in fact unbalanced this means there is a net force in a certain direction, and this will act on the body, in that direction. (Force = mass x acceleration)
