Circular Motion

Question 1

What is the definition of circular motion?

Answer 1

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

Question 2

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

Answer 2

False

Question 3

What is the formula for centripetal acceleration?

Answer 3

a = v^2 / r

Question 4

What is the direction of centripetal acceleration in circular motion?

Answer 4

Towards the center of the circle

Question 5

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

Answer 5

Centripetal force

Question 6

What is the formula for centripetal force?

Answer 6

Fc = m * v^2 / r

Question 7

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

Answer 7

Centripetal force increases

Question 8

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

Answer 8

Directly proportional

Question 9

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

Answer 9

Directly proportional

Question 10

What is the formula for angular velocity?

Answer 10

ω = v / r

Question 11

What is the unit of angular velocity?

Answer 11

radians per second (rad/s)

Question 12

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

Answer 12

Inverse

Question 13

What is the formula for period of revolution?

Answer 13

T = 2π / ω

Question 14

What is the relationship between period of revolution and frequency?

Answer 14

Inverse

Question 15

What is the relationship between frequency and angular velocity?

Answer 15

Directly proportional

Question 16

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

Answer 16

a = ω^2 * r

Question 17

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

Answer 17

Directly proportional

Question 18

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

Answer 18

Fc = m * ω^2 * r

Question 19

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

Answer 19

Directly proportional

Question 20

What is the direction of gravitational force in circular motion?

Answer 20

Towards the center of the circle

Question 21

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

Answer 21

Fg = Fc

Question 22

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

Answer 22

Equal

Question 23

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

Answer 23

Directly proportional

Question 24

What is the formula for tension force in circular motion?

Answer 24

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

Question 25

What is the direction of tension force in circular motion?

Answer 25

Towards the center of the circle

Question 26

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

Answer 26

T = Fc

Question 27

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

Answer 27

Equal

Question 28

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

Answer 28

T = m * ω^2 * r + m * g

Question 29

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

Answer 29

Directly proportional

Question 30

What is the formula for normal force in circular motion?

Answer 30

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

Question 31

What is the direction of normal force in circular motion?

Answer 31

Away from the center of the circle

Question 32

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

Answer 32

Fn = Fc

Question 33

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

Answer 33

Equal

Question 34

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

Answer 34

Fn = m * ω^2 * r - m * g

Question 35

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

Answer 35

Directly proportional

Question 36

What is the direction of frictional force in circular motion?

Answer 36

Opposite to the direction of motion

Question 37

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

Answer 37

Ff = Fc

Question 38

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

Answer 38

Equal

Question 39

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

Answer 39

Directly proportional

Question 40

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

Answer 40

Dependent on the specific scenario