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Physics > Mechanics 2.0 > Flashcards

Mechanics 2.0 Flashcards

1
Q

What is the formula for calculating velocity?

A

Velocity = Distance / Time

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2
Q

True or False: Acceleration is the rate of change of velocity.

A

True

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3
Q

What is the SI unit of force?

A

Newton (N)

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4
Q

What is the formula for calculating acceleration?

A

Acceleration = Change in Velocity / Time

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5
Q

What is the formula for calculating momentum?

A

Momentum = Mass x Velocity

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6
Q

True or False: Inertia is the resistance of an object to a change in its state of motion.

A

True

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7
Q

What is the relationship between force, mass, and acceleration?

A

Force = Mass x Acceleration

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8
Q

What is the formula for calculating work?

A

Work = Force x Distance x cos(theta)

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9
Q

What is the SI unit of work and energy?

A

Joule (J)

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10
Q

True or False: Power is the rate at which work is done or energy is transferred.

A

True

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11
Q

What is the formula for calculating power?

A

Power = Work / Time

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12
Q

What is the SI unit of power?

A

Watt (W)

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13
Q

What is the principle of conservation of energy?

A

Energy cannot be created or destroyed, only transformed from one form to another.

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14
Q

What is the formula for calculating potential energy?

A

Potential Energy = Mass x Gravity x Height

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15
Q

What is the formula for calculating kinetic energy?

A

Kinetic Energy = 0.5 x Mass x Velocity^2

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16
Q

What is the SI unit of pressure?

A

Pascal (Pa)

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17
Q

What is the formula for calculating pressure?

A

Pressure = Force / Area

18
Q

True or False: Buoyant force is the upward force exerted by a fluid on an object immersed in it.

19
Q

What is the SI unit of density?

A

Kilogram per cubic meter (kg/m^3)

20
Q

What is the formula for calculating density?

A

Density = Mass / Volume

21
Q

What is the formula for calculating buoyant force?

A

Buoyant Force = Density of Fluid x Volume Displaced x Gravity

22
Q

True or False: Friction is a force that opposes the motion of an object.

23
Q

What is the formula for calculating frictional force?

A

Frictional Force = Coefficient of Friction x Normal Force

24
Q

What is the SI unit of impulse?

A

Newton-second (N.s)

25
Q

What is the formula for calculating impulse?

A

Impulse = Force x Time

26
Q

True or False: Impulse is equal to the change in momentum of an object.

27
Q

What is the formula for calculating angular velocity?

A

Angular Velocity = Change in Angle / Time

28
Q

What is the SI unit of torque?

A

Newton-meter (N.m)

29
Q

What is the formula for calculating torque?

A

Torque = Force x Lever Arm

30
Q

What is the SI unit of angular momentum?

A

Kilogram-square meter per second (kg.m^2/s)

31
Q

What is the formula for calculating angular momentum?

A

Angular Momentum = Moment of Inertia x Angular Velocity

32
Q

True or False: Conservation of angular momentum states that the total angular momentum of a system remains constant if no external torque is applied.

33
Q

What is the formula for calculating centripetal force?

A

Centripetal Force = Mass x (Velocity^2 / Radius)

34
Q

What is the formula for calculating centripetal acceleration?

A

Centripetal Acceleration = (Velocity^2 / Radius)

35
Q

True or False: Centripetal acceleration is directed towards the center of the circular path.

36
Q

What is the formula for calculating period of a pendulum?

A

Period = 2 x pi x sqrt(Length / g)

37
Q

What is the formula for calculating frequency?

A

Frequency = 1 / Period

38
Q

What is the SI unit of frequency?

A

Hertz (Hz)

39
Q

True or False: Period and frequency are inversely proportional to each other.

40
Q

What is the formula for calculating gravitational force?

A

Gravitational Force = (G x Mass1 x Mass2) / (Distance^2)

Physics (4 decks)

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