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BigorU [14]
3 years ago
10

How can one object affect the motion of another without touching it? Give a specific example.

Physics
1 answer:
oee [108]3 years ago
3 0

There are two types of forces

1. Physical force : in this type of forces we require direct contact between two bodies

2. Field force: here we do not requires any type of physical contact with the body

so here in this type of field force we do not required any contact but only due to field present near it the body can move

so here several examples are there

a) when a magnet is placed near a piece of iron then it will move towards the iron

b) a positively charged particle when come near another charged particle then it will get attracted or repelled.

so as per all above discussion we can say that an object can move without any direct contact

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A 2.5 kg table can hold kg of weight. what is its structural efficiency?
Lorico [155]
It's (whatever number comes after 'hold') divided by 2.5 .
6 0
3 years ago
A straight segment of wire has a length of 25 cm and carries a current of 5A. If the wire is perpendicular to the magnetic field
Irina-Kira [14]

Answer:

The magnitude of the magnetic force acting on the conductor is 0.75 Newton

Explanation:

The parameters given in the question are;

The length of the straight segment of wire, L = 25 cm = 0.25 m

The current carried in the wire, I = 5 A

The orientation of the wire with the magnetic field = Perpendicular

The strength of the magnetic field in which the wire is located, B = 0.60 T

The magnetic force, 'F', is given by the following formula;

F = \underset{I}{\rightarrow }·L×\underset{B}{\rightarrow } = I·L·B·sin(θ)

Where;

\underset{I}{\rightarrow } = The current flowing, I

L = The length of the wire

\underset{B}{\rightarrow } = The magnetic field strength, B

θ = The angle of inclination of the conductor to the magnetic field

Where I = 5 A, L = 0.25 m, B = 0.60 T, and θ = 90°, we get;

F = 5 A × 0.25 m × 0.60 T × sin(90°) = 0.75 N

Therefore

The magnitude of the magnetic force, F = 0.75 N.

3 0
3 years ago
When the inferior angle of the scapula moves in the superior and lateral direction, the motion is called:
kkurt [141]

The motion of the inferior angle of the scapula in the superior and lateral direction is called upward rotation.

<h3>What are the possible motions of the scapula?</h3>

The scapula or the shoulder blade has about six different types of motion it undergoes.

The six ways of movement of the scapula are:

  • protraction,
  • retraction,
  • elevation,
  • depression,
  • upward rotation, and
  • downward rotation

When the inferior angle of the scapula moves in the superior and lateral direction, the motion is called upward rotation.

Learn more about scapula motion at: brainly.com/question/16868917

#SPJ12

8 0
2 years ago
If you average 22.8 meters/min, how many seconds will it take you to travel 467 m?
Agata [3.3K]
Speed = 22.8m/min
= 22.8 / 60
=0.38m/s

time = distance/ speed
= 467/0.38
= 1252.63s
6 0
3 years ago
Read 2 more answers
How many days sun rises in a year​
Lana71 [14]

Answer:

365

Explanation:

there are 365 days in a year

8 0
3 years ago
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