Pick up the incorrect statement from the following. In a simple harmonic motion

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Question
Pick up the incorrect statement from the following. In a simple harmonic motion
Options
A. velocity is maximum at its mean position
B. velocity is minimum at the end of the storke
C. acceleration is minimum at the end of the stroke
D. acceleration is zero at the mean position.

Correct Answer

acceleration is minimum at the end of the stroke

Applied Mechanics problems

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1. The displacement of a particle which moves along a straight line is given by S = 4t³ + 3t² - 10 where S is in meters and t is in seconds. The time taken by the particle to acquire a velocity of 18 m/sec from rest, is
Options
A. sec
B. 1 sec
C. 1.5 sec
D. 1.5 sec.

3. If a body is acted upon by a number of coplaner non-concurrent forces, it may
Options
A. rotate about itself without moving
B. move in any one direction
C. move in any one direction rotating about itself
D. be completely at rest
E. all the above.

7. On a mass m describing a circular path of radius r, the centrifugal force
Options
A. acts tangentially to the circular path
B. acts towards the centre of rotation
C. acts away from the centre of rotation
D. is

8. If a ball which is dropped from a height of 2.25 m on a smooth floor attains the height of bounce equal to 1.00 m, the coefficient of the restitution between the ball and floor, is
Options
A. 0.25
B. 0.50
C. 0.67
D. 0.33
E. 0.75

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