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Physics > Circular Motion > Flashcards

Circular Motion Flashcards

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1
Q

What is the definition of circular motion?

A

Circular motion is the movement of an object in a circular path.

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2
Q

True or False: In circular motion, the object’s velocity is constant.

A

False

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3
Q

What is the formula for centripetal acceleration?

A

a = v^2 / r

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4
Q

What is the direction of centripetal acceleration in circular motion?

A

Towards the center of the circle

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5
Q

What force is responsible for keeping an object in circular motion?

A

Centripetal force

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6
Q

What is the formula for centripetal force?

A

Fc = m * v^2 / r

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7
Q

What happens to centripetal force if the radius of the circle decreases?

A

Centripetal force increases

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8
Q

What is the relationship between centripetal force and mass in circular motion?

A

Directly proportional

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9
Q

What is the relationship between centripetal force and velocity in circular motion?

A

Directly proportional

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10
Q

What is the formula for angular velocity?

A

ω = v / r

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11
Q

What is the unit of angular velocity?

A

radians per second (rad/s)

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12
Q

What is the relationship between angular velocity and period of revolution?

A

Inverse

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13
Q

What is the formula for period of revolution?

A

T = 2π / ω

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14
Q

What is the relationship between period of revolution and frequency?

A

Inverse

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15
Q

What is the relationship between frequency and angular velocity?

A

Directly proportional

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16
Q

What is the formula for centripetal acceleration in terms of angular velocity?

A

a = ω^2 * r

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17
Q

What is the relationship between centripetal acceleration and radius in circular motion?

A

Directly proportional

18
Q

What is the formula for centripetal force in terms of angular velocity?

A

Fc = m * ω^2 * r

19
Q

What is the relationship between centripetal force and angular velocity in circular motion?

A

Directly proportional

20
Q

What is the direction of gravitational force in circular motion?

A

Towards the center of the circle

21
Q

What is the formula for gravitational force in terms of centripetal force?

A

Fg = Fc

22
Q

What is the relationship between gravitational force and centripetal force in circular motion?

A

Equal

23
Q

What is the relationship between gravitational force and angular velocity in circular motion?

A

Directly proportional

24
Q

What is the formula for tension force in circular motion?

A

T = m * (v^2 / r + g)

25
Q

What is the direction of tension force in circular motion?

A

Towards the center of the circle

26
Q

What is the formula for tension force in terms of centripetal force?

A

T = Fc

27
Q

What is the relationship between tension force and centripetal force in circular motion?

A

Equal

28
Q

What is the formula for tension force in terms of angular velocity?

A

T = m * ω^2 * r + m * g

29
Q

What is the relationship between tension force and angular velocity in circular motion?

A

Directly proportional

30
Q

What is the formula for normal force in circular motion?

A

Fn = m * (v^2 / r - g)

31
Q

What is the direction of normal force in circular motion?

A

Away from the center of the circle

32
Q

What is the formula for normal force in terms of centripetal force?

A

Fn = Fc

33
Q

What is the relationship between normal force and centripetal force in circular motion?

A

Equal

34
Q

What is the formula for normal force in terms of angular velocity?

A

Fn = m * ω^2 * r - m * g

35
Q

What is the relationship between normal force and angular velocity in circular motion?

A

Directly proportional

36
Q

What is the direction of frictional force in circular motion?

A

Opposite to the direction of motion

37
Q

What is the formula for frictional force in terms of centripetal force?

A

Ff = Fc

38
Q

What is the relationship between frictional force and centripetal force in circular motion?

A

Equal

39
Q

What is the relationship between frictional force and angular velocity in circular motion?

A

Directly proportional

40
Q

What is the relationship between resultant force and centripetal force in circular motion?

A

Dependent on the specific scenario

Physics (1 decks)

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