A block attached to an ideal spring undergoes simple harmonic motion.The acceleration of the block has its maximum magnitude at the point where a. the restoring force is the minimum b. the potential energy is the minimum c. the speed is the maximum d. the speed is the minimum

## Step 1<br />In simple harmonic motion (SHM), the acceleration of the object is directly proportional to the displacement from the equilibrium position and is directed towards the equilibrium position. This is known as Hooke's Law.<br /><br />## Step 2<br />The acceleration of the object is given by the formula \(a = -\omega^2 x\), where \(a\) is the acceleration, \(\omega\) is the angular frequency, and \(x\) is the displacement from the equilibrium position.<br /><br />## Step 3<br />From the formula, it can be seen that the acceleration is maximum when the displacement is maximum. This occurs at the extreme positions of the motion, where the speed of the object is zero.<br /><br />## Step 4<br />Therefore, the acceleration of the block has its maximum magnitude at the point where the speed is the minimum.