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When did post boxes first appear?
Post boxes first appeared in 1852 in the United Kingdom as a way to collect mail from the public. The first post boxes were green and made of cast iron.
What is the difference between Newton's first law and second law?
To recap, Newton's first law states that an object in motion will stay in motion with constant velocity given that there are no net forces acting upon it. For example, if a ball was pushed with zero net forces acting on it besides the first force push, it will go on forever until a force decides to act on it, such as friction or gravity. Contrary to Newton's first law, Newton's second law implies that if an object is acted upon with existing net force, the object will accelerate with the same direction. The equation Force (F) = mass (m) x acceleration (a) derives from the second law. Similarly to the first law, any net force on a body is conserved, implying the rule of conservation of momentum. In the first law, a force acted on a body will cause the body to move with the same magnitude of force in the same direction if there is zero net force. In the second law, a net force on a body causes the body to accelerate with the same direction as the net force.
What according to Newton's second law does an object acted on by a net force will accelerate in the direction of what?
f=ma newtons 2nd law of motion where f is the net force m is mass in kg and a is acceleration in m/s^2 basically the net force is in the direction of the acceleration
Are junction boxes normally used in wiring first floor of a home?
Depending on the situation junction boxes can be used anywhere. Yes, it is normal.
How to Derive newtons first law from second law?
The derivation is as follows: Consider an isolated system of two bodies A and B. An isolated system is such that no force acts on the system. This is the Newton's third law of motion for a body exerting some force on another. Hope it is clear! Best wishes!!
A second force of 13 N is applied to the object. If this second force is applied toward the left while the first force is being applied toward the right which of the following will occur?
The object will experience a net force of 7 N to the right (20 N - 13 N), causing it to accelerate in that direction.
Can a body have forces applied on it but will not accelerate justify your answer?
Newton's second law states that when forces an unbalanced force is applied to an object it will accelerate in the formula: Fnet=mawhere F is the sum of the forces mass and a is the acceleration.A body can have no acceleration if the sum of all the forces is 0. So therefore forces can be applied, but they must have an equal and opposite force canceling them out. A=F/M so when F is 0, A is 0.So if there is constant velocity on an object it will not accelerate!---------Example:If you keep riding your bike in a certain direction at 5 m/s constantly, there is constant velocity present and no acceleration :D
A girl scout troop sold cookies If the girls sold 5 more boxes the second week than they did the first and if they doubled the sales of the second week for the third week to sell a total of 431boxes?
this question made no sense I'm sorry you need to check over you stuff before you send it
How many ways can you put 8 apples in 2 boxes?
Nine, assuming the two boxes are considered different: 8 in the first box 7 in the first box, 1 in the second 6 in the first box, 2 in the second 5 in the first box, 3 in the second 4 in each box 3 in the first box, 5 in the second 2 in the first box, 6 in the second 1 in the first box, 7 in the second 8 in the second box. If the boxes are interchangable, there are only five: 8 in one box 7 in one box, 1 in the other 6 in one box, 2 in the other 5 in one box, 3 in the other 4 in each box
What is the name to the force exerted by the first object on a second object?
applied force
What is the name given to the force exerted by the first object on a second?
applied force
How do you find the second coin in world 6A?
Just after the first tornado and after the boxes sink threw the sand tunnel.
What is the answer to the magic boxes in the 7th mission on the 39cluescom?
the first one is 15 and the second one is 34 and the last is 42
When to use first gear?
well. whenever you have a low idle, you use first gear to accelerate. if u have a higher idle or throttlebody, you can just start in second gear.
When and how is finishing tape applied on a fabric covered aircraft?
Finishing tape (surface tape) is applied o the wing surface with dope and is usually stuck down after the first or the second coat of dope has been applied.
When and how is finishing tape applied on a fabric-covered aircraft?
Finishing tape (surface tape) is applied o the wing surface with dope and is usually stuck down after the first or the second coat of dope has been applied.
How do you shift if the pattern is one down and four up?
You go down one to engage first gear and then as you accelerate you go up one (and most gear boxes automatically bypass neutral on the way up) and engage second gear, then up again for third and so on. On the way back down the gear box most gearboxes generally go from second into neutral, so essentially you slow down and stop before going down from second into neutral.
