Motion - Jamb Physics Past Questions and Answers

Question 196:

• 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

Question 197:

• JAMB 2021

The slope of the straight line displacement-time graph indicates?

A. Distance traveled
B. Uniform velocity
C. Uniform acceleration
D. Uniform speed

Question 198:

• JAMB 2021

A ball of mass 0.5kg moving at 10ms\(^{-1}\) collides with another ball of equal mass at rest. If the two balls move off together after the impact, calculate their common velocity.

A. 0.2ms\(^{-1}\)
B. 0.5ms\(^{-1}\)
C. 5.0ms\(^{-1}\)
D. 5.5ms\(^{-1}\)

Question 199:

• JAMB 2021

The motion of a body is simple harmonic if the?

A. Acceleration is always directed towards a fixed point
B. Path of motion is a straight line
C. Acceleration is proportional to the square of the distance from a fixed point
D. Acceleration is constant and directed towards a fixed point