Exam 7 Numbers 1-5
5 Questions
| Attempts: 77
.
Questions and Answers
- 1.According to Hooke’s law, the force exerted by a spring on an object is proportional to
- A.
The mass of the object.
- B.
The displacement of the spring.
- C.
The length of the spring.
- D.
The volume of the object.
- 2.In any system in simple harmonic motion, the restoring force acting on the mass in the system is proportional to
- A.
Displacement.
- B.
The length of a pendulum.
- C.
The mass.
- D.
Frequency.
- 3.The spring constant in a given oscillating mass-spring may be changed by
- A.
Increasing the mass.
- B.
Decreasing the mass.
- C.
Decreasing the initial displacement.
- D.
D. none of the above d. none of the above none of these answers
- 4.In an oscillating mass-spring system, the velocity of the mass is greatest when the mass is
- A.
At the point of maximum displacement.
- B.
Halfway between the equilibrium point and maximum displacement.
- C.
At the point where acceleration is greatest.
- D.
At the equilibrium point.
- 5.As the swinging bob of a pendulum moves farther from its equilibrium position, the pendulum’s _______________ increases.
- A.
Frequency
- B.
Mass
- C.
Restoring force
- D.
Length
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