Motion in a circle - Jamb Physics Past Questions and Answers

Question 6:

• JAMB 1994

Which of the following is TRUE of a particle moving in a horizontal circle with constant angular velocity?

A. The energy is costant but the linear momentum varies
B. The linear momentum is conatant but the energy varies
C. Both energy and linear momentum are constant
D. The speed and the linear velocity are both constant

Question 7:

• JAMB 1999

Particles of mass 10^-2kg is fixed to the tip of a fan blade which rotates with angular velocity of 100rad-1. If the radius of the blade is 0.2m, the centripetal force is

A. 2 N
B. 20 N
C. 200 N
D. 400 N

Question 8:

• JAMB 2012

Particles of mass 10^-2kg is fixed to the tip of a fan blade which rotates with angular velocity of 100rad-1. If the radius of the blade is 0.2m, the centripetal force is

A. 2 N
B. 20 N
C. 200 N
D. 400 N

Question 9:

• JAMB 2019

A mass of 0.5kg is whirled in a vertical circle of radius 2m at a steady rate of 2 rev/s. Calculate the centripetal force

A. 164N
B. 160N
C. 158N
D. 172N

Question 10:

• JAMB 2021

Particles of mass 10\(^{-2}\)kg is fixed to the tip of a fan blade which rotates with angular velocity of 100rad\(^{-1}\). If the radius of the blade is 0.2m, the centripetal force is?

A. 2N
B. 20N
C. 200N
D. 400N