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Yakvenalex [24]
3 years ago
5

If a simple machine reduces the strength of a force, what must be increased.

Physics
1 answer:
svetoff [14.1K]3 years ago
6 0
"The distance that the force moves" is the one among the following choices given in the question that must be increased, if a simple machine reduces the strength of a force. The correct option among all the options that are given in the question is the first option or option "A". I hope the answer helped you.

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Which gives the work done by a torque during angular displacement?
Nutka1998 [239]

Only when the torque is constant the work done is done during angular displacement. So the correct option is d.

Work done by the force is calculated as the dot product of force and  angular displacement of the point of application of force. It is equal to the change in rotational kinetic energy of the body.

Work done by a torque can be calculated by taking an analogy from work done by force.

Work done = torque × angular displacement

So work is done by a torque during angular displacement only when torque is constant.

If a torque applied on a body rotates it through an angle ω, the work done by torque is

W = ζ × ω

To know more about the work done by torque refer to the link given below:

brainly.com/question/17083207

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1 year ago
Please help- it’s a 15 point change to my grade.
Harman [31]

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Explanation:

6 0
3 years ago
A student pulls a box across a horizontal floor at a constant speed of 4.0 meters per second by exerting a constant horizontal f
ruslelena [56]
Work = Force multiplied by the distance(or displacement)
8 0
3 years ago
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Giving brainliest!! if you answer correctly :) (30pts)
AnnZ [28]

Answer:

32000joule.

Explanation:

given

mass. (m)=160kg

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8 0
3 years ago
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A car moves with the speed of 120m/s for 4 minutes ,calculate the distance covered by the car​
Vsevolod [243]

Answer:

960 m

Explanation:

Given that,

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We have to find the distance covered.

Firstly, let's convert time in seconds.

→ 1 minute = 60 seconds

→ 4 minutes = (4 × 60) seconds

→ 4 minutes = 240 seconds

Now, we know that,

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→ Distance = (4 × 240) m

→ Distance = 960 m

Therefore, distance covered is 960 m.

7 0
3 years ago
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