AP Physics 1 MCQ Practice by Topic 2027
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Spring Forces Practice
All questions are original. Check each answer for immediate feedback and explanation, then use the lesson link inside the explanation when a concept needs repair.
A spring with k = 100 N/m is stretched 0.050 m beyond its relaxed length. What is the magnitude of the spring force?
Correct answer: A. Hooke’s law gives |F_s| = k|x|.
A spring with k = 120 N/m is stretched 0.050 m beyond its relaxed length. What is the magnitude of the spring force?
Correct answer: A. Hooke’s law gives |F_s| = k|x|.
A spring with k = 140 N/m is stretched 0.050 m beyond its relaxed length. What is the magnitude of the spring force?
Correct answer: A. Hooke’s law gives |F_s| = k|x|.
A spring with k = 160 N/m is stretched 0.050 m beyond its relaxed length. What is the magnitude of the spring force?
Correct answer: A. Hooke’s law gives |F_s| = k|x|.
A spring with k = 180 N/m is stretched 0.050 m beyond its relaxed length. What is the magnitude of the spring force?
Correct answer: A. Hooke’s law gives |F_s| = k|x|.
A spring with k = 200 N/m is stretched 0.050 m beyond its relaxed length. What is the magnitude of the spring force?
Correct answer: A. Hooke’s law gives |F_s| = k|x|.
A spring is stretched 0.02 m to the right beyond its relaxed length. In which direction does the spring force on the attached block point?
Correct answer: A. The negative sign in F_s = −kx represents a restoring direction opposite the signed change in spring length from relaxed length.
A spring is stretched 0.03 m to the right beyond its relaxed length. In which direction does the spring force on the attached block point?
Correct answer: A. The negative sign in F_s = −kx represents a restoring direction opposite the signed change in spring length from relaxed length.
A spring is stretched 0.04 m to the right beyond its relaxed length. In which direction does the spring force on the attached block point?
Correct answer: A. The negative sign in F_s = −kx represents a restoring direction opposite the signed change in spring length from relaxed length.
A spring is stretched 0.05 m to the right beyond its relaxed length. In which direction does the spring force on the attached block point?
Correct answer: A. The negative sign in F_s = −kx represents a restoring direction opposite the signed change in spring length from relaxed length.
A spring is stretched 0.06 m to the right beyond its relaxed length. In which direction does the spring force on the attached block point?
Correct answer: A. The negative sign in F_s = −kx represents a restoring direction opposite the signed change in spring length from relaxed length.
A spring is stretched 0.07 m to the right beyond its relaxed length. In which direction does the spring force on the attached block point?
Correct answer: A. The negative sign in F_s = −kx represents a restoring direction opposite the signed change in spring length from relaxed length.
Within Hooke’s-law behavior, the displacement magnitude is multiplied by 2. How does the spring-force magnitude change?
Correct answer: A. For an ideal Hooke’s-law spring, force magnitude is directly proportional to displacement magnitude.
Within Hooke’s-law behavior, the displacement magnitude is multiplied by 3. How does the spring-force magnitude change?
Correct answer: A. For an ideal Hooke’s-law spring, force magnitude is directly proportional to displacement magnitude.
Within Hooke’s-law behavior, the displacement magnitude is multiplied by 4. How does the spring-force magnitude change?
Correct answer: A. For an ideal Hooke’s-law spring, force magnitude is directly proportional to displacement magnitude.
Within Hooke’s-law behavior, the displacement magnitude is multiplied by 5. How does the spring-force magnitude change?
Correct answer: A. For an ideal Hooke’s-law spring, force magnitude is directly proportional to displacement magnitude.
Within Hooke’s-law behavior, the displacement magnitude is multiplied by 6. How does the spring-force magnitude change?
Correct answer: A. For an ideal Hooke’s-law spring, force magnitude is directly proportional to displacement magnitude.
Within Hooke’s-law behavior, the displacement magnitude is multiplied by 7. How does the spring-force magnitude change?
Correct answer: A. For an ideal Hooke’s-law spring, force magnitude is directly proportional to displacement magnitude.
An ideal spring’s F_s-versus-x graph has slope −80 N/m. What does the slope magnitude represent?
Correct answer: A. F_s = −kx gives a straight line with slope −k; the slope magnitude is k.
An ideal spring’s F_s-versus-x graph has slope −100 N/m. What does the slope magnitude represent?
Correct answer: A. F_s = −kx gives a straight line with slope −k; the slope magnitude is k.
An ideal spring’s F_s-versus-x graph has slope −120 N/m. What does the slope magnitude represent?
Correct answer: A. F_s = −kx gives a straight line with slope −k; the slope magnitude is k.
An ideal spring’s F_s-versus-x graph has slope −140 N/m. What does the slope magnitude represent?
Correct answer: A. F_s = −kx gives a straight line with slope −k; the slope magnitude is k.
An ideal spring’s F_s-versus-x graph has slope −160 N/m. What does the slope magnitude represent?
Correct answer: A. F_s = −kx gives a straight line with slope −k; the slope magnitude is k.
An ideal spring’s F_s-versus-x graph has slope −180 N/m. What does the slope magnitude represent?
Correct answer: A. F_s = −kx gives a straight line with slope −k; the slope magnitude is k.
An ideal spring has k = 100 N/m. At its relaxed length (zero deformation), what is the spring force?
Correct answer: A. For Hooke’s law, x is the change in spring length from relaxed length. At zero deformation, F_s = 0. The equilibrium position of a spring-object system can be shifted by other forces.
An ideal spring has k = 125 N/m. At its relaxed length (zero deformation), what is the spring force?
Correct answer: A. For Hooke’s law, x is the change in spring length from relaxed length. At zero deformation, F_s = 0. The equilibrium position of a spring-object system can be shifted by other forces.
An ideal spring has k = 150 N/m. At its relaxed length (zero deformation), what is the spring force?
Correct answer: A. For Hooke’s law, x is the change in spring length from relaxed length. At zero deformation, F_s = 0. The equilibrium position of a spring-object system can be shifted by other forces.
An ideal spring has k = 175 N/m. At its relaxed length (zero deformation), what is the spring force?
Correct answer: A. For Hooke’s law, x is the change in spring length from relaxed length. At zero deformation, F_s = 0. The equilibrium position of a spring-object system can be shifted by other forces.
An ideal spring has k = 200 N/m. At its relaxed length (zero deformation), what is the spring force?
Correct answer: A. For Hooke’s law, x is the change in spring length from relaxed length. At zero deformation, F_s = 0. The equilibrium position of a spring-object system can be shifted by other forces.
An ideal spring has k = 225 N/m. At its relaxed length (zero deformation), what is the spring force?
Correct answer: A. For Hooke’s law, x is the change in spring length from relaxed length. At zero deformation, F_s = 0. The equilibrium position of a spring-object system can be shifted by other forces.
A spring compressed by 0.03 m pushes a cart away from the compressed position. Why does this not violate the ‘restoring’ description?
Correct answer: A. For the spring force, restoring means opposite the signed deformation from relaxed length; the direction need not be a fixed compass direction.
A spring compressed by 0.04 m pushes a cart away from the compressed position. Why does this not violate the ‘restoring’ description?
Correct answer: A. For the spring force, restoring means opposite the signed deformation from relaxed length; the direction need not be a fixed compass direction.
A spring compressed by 0.05 m pushes a cart away from the compressed position. Why does this not violate the ‘restoring’ description?
Correct answer: A. For the spring force, restoring means opposite the signed deformation from relaxed length; the direction need not be a fixed compass direction.
A spring compressed by 0.06 m pushes a cart away from the compressed position. Why does this not violate the ‘restoring’ description?
Correct answer: A. For the spring force, restoring means opposite the signed deformation from relaxed length; the direction need not be a fixed compass direction.
A spring compressed by 0.07 m pushes a cart away from the compressed position. Why does this not violate the ‘restoring’ description?
Correct answer: A. For the spring force, restoring means opposite the signed deformation from relaxed length; the direction need not be a fixed compass direction.
A spring compressed by 0.08 m pushes a cart away from the compressed position. Why does this not violate the ‘restoring’ description?
Correct answer: A. For the spring force, restoring means opposite the signed deformation from relaxed length; the direction need not be a fixed compass direction.
Two springs are each extended by 0.02 m. Spring A has twice the spring constant of spring B. How do their force magnitudes compare?
Correct answer: A. At equal |x|, |F_s| = k|x|, so force magnitude scales directly with k.
Two springs are each extended by 0.03 m. Spring A has twice the spring constant of spring B. How do their force magnitudes compare?
Correct answer: A. At equal |x|, |F_s| = k|x|, so force magnitude scales directly with k.
Two springs are each extended by 0.04 m. Spring A has twice the spring constant of spring B. How do their force magnitudes compare?
Correct answer: A. At equal |x|, |F_s| = k|x|, so force magnitude scales directly with k.
Two springs are each extended by 0.05 m. Spring A has twice the spring constant of spring B. How do their force magnitudes compare?
Correct answer: A. At equal |x|, |F_s| = k|x|, so force magnitude scales directly with k.
Two springs are each extended by 0.06 m. Spring A has twice the spring constant of spring B. How do their force magnitudes compare?
Correct answer: A. At equal |x|, |F_s| = k|x|, so force magnitude scales directly with k.
Two springs are each extended by 0.07 m. Spring A has twice the spring constant of spring B. How do their force magnitudes compare?
Correct answer: A. At equal |x|, |F_s| = k|x|, so force magnitude scales directly with k.