Uniform Circular Motion -Multiple Choice Questions Quiz

Interactive MCQs on “Uniform Circular Motion”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is uniform circular motion?

(a) Motion along a straight line at constant speed
(b) Motion along a circular path at variable speed
(c) Motion along a straight line at variable speed
(d) Motion along a circular path at constant speed

Question 2: What provides the centripetal force required for an object to undergo uniform circular motion?

(a) Gravitational force
(b) Frictional force
(c) Tension force
(d) Centrifugal force

Question 3: In uniform circular motion, the acceleration of the object is directed:

(a) Tangentially to the circle
(b) Radially inward toward the center
(c) Radially outward away from the center
(d) Perpendicular to the plane of the circle

Question 4: Which of the following is constant during uniform circular motion?

(a) Speed of the object
(b) Velocity of the object
(c) Acceleration of the object
(d) Direction of the object's motion

Question 5: What is the relationship between the centripetal force (Fc) required for uniform circular motion and the mass (m) of the object and its linear speed (v)?

(a) Fc = mv
(b) Fc = m/v
(c) Fc = m × v^2
(d) Fc = m/v^2

Question 6: If the radius of the circular path is doubled, how does the centripetal force required for uniform circular motion change?

(a) It becomes half
(b) It becomes one-fourth
(c) It doubles
(d) It remains the same

Question 7: When an object is in uniform circular motion, the net force acting on it is:

(a) Zero
(b) Directed radially outward
(c) Directed radially inward
(d) Directed tangentially to the circle

Question 8: What is the angular velocity (ω) of an object in uniform circular motion with a period (T) of revolution?

(a) ω = 2π / T
(b) ω = T / 2π
(c) ω = T × 2π
(d) ω = π / T

Question 9: What is the magnitude of the centripetal acceleration (ac) of an object in uniform circular motion with a linear speed (v) and a radius (r) of the circular path?

(a) ac = v / r
(b) ac = r / v
(c) ac = v × r
(d) ac = v^2 / r

Question 10: What is the direction of the centripetal acceleration of an object in uniform circular motion?

(a) Tangential to the circle
(b) Radially inward toward the center
(c) Radially outward away from the center
(d) Perpendicular to the plane of the circle