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fiasKO [112]
3 years ago
11

what occurs when force is applied over a certain distance and motion is in the same direction as the force?

Physics
2 answers:
faltersainse [42]3 years ago
8 0

An object in motion will continue to move in the same direction and with the same speed unless acted upon by an unbalanced force. states that forces occur as equal and opposite pairs. The strength of the force is related to the mass of the objects and the distance between them.

Mariulka [41]3 years ago
4 0

When force is applied over a certain distance and motion is in the same direction as the force, then you have a simple case of "WORK" being done, as it's defined in Physics.

The amount of work done in this case is (the force) multiplied by (the distance).

If the force is measured in Newtons and the distance is measured in meters, then the product has the units of Joules (energy).

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only ten meters north from starting point

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How many times did thomas edison fail before inventing the lightbulb
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he failed thousands of times

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There is no known number for his failings. Edison may have failed in many of his experiments and in his schooling, but he had something better working in his favor. He had great determination and persistence.

He failed thousands of times in an attempt to develop an electric light, the great Edison simply viewed each unsuccessful experiment as the elimination of a solution that wouldn’t work, thereby moving him that much closer to a successful solution.

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Question 1 of 10
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They have the same rate of motion.

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Electromagnetic radiation is a type of energy that is commonly known as light. Generally, light travels in waves, and all electromagnetic radiation travels at the same speed, which is about 3.0 × 108 ms− 1 through a vacuum.

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2 years ago
The mechanical advantage of any machine is: A) the efficiency of the machine B) the work done by the machine C) the ratio of the
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Option D) the ratio of the force exerted by the machine to the force applied

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The measure of the amplification of the force applied to a mechanical device or a measure of the force exerted by a mechanical device.

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7 0
3 years ago
Physics students use a spring scale to measure the weight of a piece of lead. The experiment was performed two times: once in th
Lady_Fox [76]

Answer:

The reading of the experiment made in air is 50 g more than the reading of the measurement made in water.

Explanation:

Knowing that the density of lead is 11,3 g/cm^{3} and the volume, we can calculate the true weight of the piece of lead:

weight_{lead}=\rho _{lead}*V_{lead}=11,3  g/cm^{3} *50 cm^{3}   = 565 g

When the experiment is done in air, we can discard buoyancy force (due to different densities) made by air because it's negligible and the measured weight is approximately the same as the true weight.

When it is done in water, the effect of buoyancy force (force made by the displaced water) is no longer negligible, so we have to take it into account.

Knowing that the density of water is 1 g per cubic centimeter, and that the volume displaced is equal to the piece of lead (because of its much higher density, the piece of lead sinks), we can know that the buoyancy force made by water is 50 g, opposite to the weight of the lead.

Weight_{measured}=weight_{lead}-weight_{water}=\frac{(565 g *9.8 m/s^{2}  -50 g*9.8 m/s^{2})}{9,8m/s^{2} }  = 515 g

Now that we have the two measurements, we can calculate the difference:

Difference= |Weight _{in   water}- Weight _{in   air}|=|515 g-565 g|=50 g

The reading of the experiment made in air is 50 g more than the reading of the measurement made in water.

4 0
3 years ago
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