Q&A for How to Calculate Force

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How do I change Newtons into mass?

Tiagoroth

Community Answer

The formula for force is force = mass * acceleration. To find mass, simply divide the force by the acceleration.

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Question

Is force the same as weight?

Community Answer

Weight is a force. When a force is due to gravity, it can be called "weight". "Weight" is only a human distinction for a specific case.

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What is the acceleration of a 130 kg object push by a man with 650 newtons of force?

Community Answer

You will need to know the formula of acceleration, once you know that. You can easily get the acceleration. So by using this formula, you can figure out what acceleration. It is simply just Algebra in this case. Formula: f/m=a

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How can I move an 800 kg mass 5 meters in 1 second?

Community Answer

x = 5 m, v = (5 m - 0 m) / 1 s = 5 m/s, a = (5 m/s - 0 m/s) / 1 s = 5 m/s^2, F = ma, F = 800 kg * 5 m/s^2 = 4000 N. You must apply 4000 Newtons of force.

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How do I calculate tension?

Community Answer

You have to use a system of equations which are your summation equations. They come from the diagram and coordinate system that you drew.

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What is the formula for momentum?

Community Answer

Momentum is the product of mass and velocity and is represented by the letter "P." The formula is P=mv.

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Question

If we are pushing a book one foot over the table, how much force are we exerting on the book?

Community Answer

It depends on the mass of that book.

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Question

How much force is required to push or pull an object of 2kg mass?

Community Answer

Given that the gravitational acceleration is about 9.8m/s^2 and without more info we cannot go further than: F>2kg*9.8m/s^2. Therefore F>16.9 N (upwards movement). Being F=16.9N the force needed to sustain the 2kg object standstill.

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Question

What is the formula in computing combining forces?

Community Answer

To compute two combining forces, just add the two forces. F1 + F1 is m1 × v1 + m2 × m2.

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What is the amount of force in a moving object?

Community Answer

The amount of force is the mass of the object multiplied by the acceleration of the object when the force is exerted while moving.

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Are velocity and speed equal?

Community Answer

No, velocity and speed are not equal. Velocity takes into consideration your destination (such as on a grid) and speed doesn't. Your velocity could be negative assuming you are moving away from your target. Speed could be in any direction, meaning it can't be negative.

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Question

How can I get force by mass and distance?

Community Answer

You will need more kinematic variables in order to solve this problem.

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Question

What if the only thing I know is the weigh when calculating force? How do I measure or get the acceleration?

Community Answer

Acceleration =final velocity(v)-initial velocity(u)÷time taken(t). The velocities must be in (m/s).

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Question

What is the force on a concrete wall when impacted by a 3,000 lb vehicle moving at 20 mph?

Community Answer

We just calculate the vehicle weight to kg which is 1360.777. We take the weight and change it to mass by dividing by 9.81. We get 138.71325. We change the mph to kph which is 32.1869. We then multiply 138.713251 by 32.1869 to get 4464.749 Newtons.

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Question

How do I calculate force when I know the distance and velocity?

Community Answer

You can't. For there to be force, there must be mass. If you don't know what the mass is, you can't know what the force is.

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Question

What is the formula when calculating magnitude of a force?

Community Answer

The magnitude of the net force acting on an object is equal to the mass of the object multiplied by the acceleration of the object.

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Question

Does this equation work for arrested weight? If I lower a weight down onto a winch and cut the power, can I work out the force with this equation (f=mxa)?

Community Answer

If the weight is falling, then it falls at ten metres per second, which means yes, you could work out the force of the moving object with this equation.

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