Circular Motion Quiz

What is the relationship between the speed ( v ), radius ( r ), and period ( T ) in circular motion?

• ( v ) is directly proportional to ( r ) and inversely proportional to ( T )

• ( v ) is inversely proportional to ( r ) and directly proportional to ( T )

• ( v ) is directly proportional to both ( r ) and ( T )

• ( v ) is inversely proportional to both ( r ) and ( T )

• vr

What is the formula for frequency (f) in terms of the period (T)?

• f = 1 / T

• f = T / 1

• f = T * 1

• f = 1 - T

In the context of the provided material, what does the variable T represent?

• The period of one full revolution

• The angular speed

• The frequency

• The angle swept

What is the relation between linear speed v and angular speed ω?

• A) v = rω

• B) v = 2πr/T

• C) v = 2πr/T ω

• D) v = 2πr f

What is the formula for angular speed ω in terms of frequency f?

• A) ω = 2πf

• B) ω = 2πr/T

• C) ω = rω

• D) ω = 2πr f

What is the formula for angular speed (ω) given in the document?

• ω = 2π / (365 × 24 × 60 × 60)

• ω = 2π / (365 × 24 × 60)

• ω = 2π / (365 × 24)

• ω = 2π / (365)

What is the approximate value of θ in degrees as mentioned in the document?

• 20°

• 30°

• 40°

• 50°

How can the magnitude of the vector ( \Delta \vec{v} ) be found?

• Using calculus.

• Using simple trigonometry.

• Using algebra.

• Using geometry.

What is the formula for acceleration a in terms of change in velocity Δv and time Δt?

• a) a = Δv/Δt

• b) a = v/r

• c) a = v ω

• d) a = v^2/r