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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?
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What kind of forces does NOT change the motion of an object?
Equal and opposite forces. Imagine 2 people pushing a car, one at the front and one at the back. If they are both pushing with the same force, the car will not move.
How do you calculate the net force when two people are pushing in the same direction?
You just add the forces in this case.
What are 3 examples of balanced forces?
Tug a war 2 people pushing on a box on each side
What happens when forces are going in opposite directions?
Assuming the two forces are acting ON THE SAME OBJECT, you can subtract the two forces, to get the net force. Important: This does not apply to Newton's Third Law, since the forces act on DIFFERENT OBJECTS. I mention this because people tend to get this confused.
What is an unbalanced force or outside force?
When forces are unbalanced, the motion of the object changes. When forces are balanced, the net force (or overall combination of all the forces) is zero because the forces cancel each other out.Think of it this way. When two very strong people are pushing against an open door, with one on each side, the net force would be zero because both the people have the same amount of force and strength. When a toddler and a very strong person are pushing against the same open door, the forces are unbalanced because the strength of the person does not match the strength of the toddler.
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.
When people are pushing on a large rock and its starts to rollwhat do you know about the forces acting on the rock?
that they are greater than the forces keeping the rock from moving...
When several people are pushing on a large rock and it starts to roll what are the forces acting on the rock?
Depends if they are pushing it up hill or down hill, or on flat ground, or off a ledge/ cliff Is the rock round or cube shaped? Assuming the rock is roughly round, and it is up hill and the people pushing it are Disney characters the forces are Gravity,, friction, Sleepy, grumpy, doc, bashful, micky minnie and goofy.
Use balanced forces in a sentence?
When two people are pushing a box from opposite sides with equal force, the box remains stationary due to the balanced forces acting on it.
When forces are acting in the same direction how do you determine the net force or the force that results from their motion?
Whoa! Force doesn't result from the motion of forces. Let's take it slow. When forces are acting in the same direction, the net force is the sum of the individual forces. Four people, all behind a car, pushing it north. Two men pushing with 200 pounds apiece, two women pushing with 100 pounds apiece. The net force on the car is (200 + 200 + 100 + 100) = 600 pounds north.
When there are several people acting on an object and it starts to roll what do you know about the forces acting on the rock?
You know that the combined force is enough to overcome the force of friction.
What kind of forces does NOT change the motion of an object?
Equal and opposite forces. Imagine 2 people pushing a car, one at the front and one at the back. If they are both pushing with the same force, the car will not move.
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.
How do you calculate the net force when two people are pushing in the same direction?
You just add the forces in this case.
What are 3 examples of balanced forces?
Tug a war 2 people pushing on a box on each side
Define balanced force?
There's no such thing as one single balanced force. A group of two or more forces are balanced if they all add up to zero. Like if two people are pushing on the same shopping cart ... one in the back pushing it forward, and one on the front pushing it backward. They add up to zero, and the cart acts exactly as if there are no forces on it at all ... it stands still. Those two forces are balanced.
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.
