MDCAT MCQS ON ANGULAR DISPLACEMENT & REVULOTION

What is the SI unit of angular displacement? a) degree (°) b) radian (rad) c) meter (m) d) second (s) Answer: b) radian (rad)

What is the formula for calculating angular displacement? a) Δθ = θf – θi b) Δθ = rθ c) Δθ = 2π/θ d) Δθ = √(θf – θi) Answer: a) Δθ = θf – θi

A wheel completes one revolution in 2 seconds. Calculate its angular velocity. a) 1 rad/s b) 2 rad/s c) π rad/s d) 2π rad/s Answer: d) 2π rad/s

An object moves around a circle with a radius of 10 cm. If it completes a full revolution, what is its angular displacement? a) 10 rad b) 20 rad c) 30 rad d) 40 rad Answer: d) 40 rad

What is the relationship between linear displacement and angular displacement? a) They have no relationship b) Linear displacement is equal to angular displacement multiplied by radius c) Linear displacement is equal to angular displacement divided by radius d) Linear displacement is equal to the square root of angular displacement Answer: b) Linear displacement is equal to angular displacement multiplied by radius

If an object has an angular velocity of 5 rad/s and an angular displacement of 10 rad, how much time did it take to complete this motion? a) 0.2 s b) 2 s c) 5 s d) 50 s Answer: b) 2 s

What is the formula for angular velocity? a) ω = Δθ/t b) ω = v/r c) ω = F/m d) ω = P/t Answer: a) ω = Δθ/t

If an object has an angular velocity of 2π rad/s, how many revolutions can it make in one second? a) 1 b) 2 c) 4 d) 6  Answer: a) 1