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Quarterly > Science > Flashcards

Science Flashcards

1
Q

Push or pull

A

Force

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2
Q

Applied on a object through direct pushing or pulling

A

Applied force

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3
Q

Force exerted by gravity; also known as weight; mass times gravity (gravity: -9.8m/s)

A

Gravitational force

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4
Q

Perpendicular to the surface an object is in contact with: if there’s no surface in contact

A

Normal force

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5
Q

Force present in springs

A

Elastic force

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6
Q

Force present in cables, strings, cords

A

Tension force

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7
Q

Force that impedes motion

A

Frictional force

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8
Q

Tendency of a body to resist any change in its motion

A

Law of intertia

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9
Q

Acceleration us directly proportional to the force and is inversely proportional to the mass

A

Law of acceleration

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10
Q

For every action, there is an equal and opposite reaction

A

Law of interaction

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11
Q

Any pull or push

A

Force

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12
Q

As how far an object is form where it started

A

Displacement

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13
Q

Product of force and displacement

A

Work

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14
Q

W =work in

A

Joules (J)

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15
Q

F=force in

A

N

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16
Q

d = displacement in

A

m

17
Q

Rate of doing work ( P = W/d)

A

Power

18
Q

P = power in

A

Watts (w)

19
Q

W =work in

A

J

20
Q

t = time in

A

s

21
Q

Ability to do work

A

Energy

22
Q

Energy possessed by an object by virtue of its position (PE = mgh)

A

Potential energy

23
Q

PE = Potential energy in

A

J

24
Q

m = mass in

A

Kg

25
Q

g = gravity

A

( -9.8m/s)

26
Q

h = height in

A

M

27
Q

Energy present in moving objects. (1/2mv^2)

A

Kinetic energy

28
Q

KE = kinetic energy in

A

J

29
Q

m = mass in

A

Kg

30
Q

v = speed in meter per second

A

(m/s)

31
Q

Is produced by vibration. It requires a medium to be transmitted.

A

Sound

32
Q

Part of wave where molecules are compressed

A

Compression

33
Q

Part of wave where molecules are spread out

A

Rarefraction

34
Q

Form of disturbance that carries energy from one place to another

A

Wave

35
Q

Requires a medium for transmission

A

Mechanical wave

36
Q

Doesn’t require any medium for transmission

A

Electromagnetic wave

37
Q

Perpendicular to the direction

A

Transverse

38
Q

Parallel to the direction

A

Longitudinal

39
Q

Travels in a circular motion

A

Surface

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