Test Bank For Inquiry into Physics 8th Edition by Vern J. Ostdiek

1. Conservation laws can be used even when the details of what is occurring inside a system aren’t known.

  a.  True

  b.  False

ANSWER:   True

POINTS:   1

QUESTION TYPE:   True / False

HAS VARIABLES:   False

DATE CREATED:   6/13/2016 10:29 AM

DATE MODIFIED:   6/13/2016 10:29 AM

2. The momentum of an object never changes.

  a.  True

  b.  False

ANSWER:   False

POINTS:   1

QUESTION TYPE:   True / False

HAS VARIABLES:   False

DATE CREATED:   6/13/2016 10:29 AM

DATE MODIFIED:   6/13/2016 10:29 AM

3. Kinetic energy is conserved in elastic collisions.

  a.  True

  b.  False

ANSWER:   True

POINTS:   1

QUESTION TYPE:   True / False

HAS VARIABLES:   False

DATE CREATED:   6/13/2016 10:29 AM

DATE MODIFIED:   6/13/2016 10:29 AM

4. Linear momentum is conserved in all collisions.

  a.  True

  b.  False

ANSWER:   True

POINTS:   1

QUESTION TYPE:   True / False

HAS VARIABLES:   False

DATE CREATED:   6/13/2016 10:29 AM

DATE MODIFIED:   6/13/2016 10:29 AM

5. Momentum is conserved only when there is no friction.

  a.  True

  b.  False

ANSWER:   False

POINTS:   1

QUESTION TYPE:   True / False

HAS VARIABLES:   False

DATE CREATED:   6/13/2016 10:29 AM

DATE MODIFIED:   6/13/2016 10:29 AM

6. Work done within an isolated system can increase the energy of the system.

  a.  True

  b.  False

ANSWER:   False

POINTS:   1

QUESTION TYPE:   True / False

HAS VARIABLES:   False

DATE CREATED:   6/13/2016 10:29 AM

DATE MODIFIED:   6/13/2016 10:29 AM

7. Centripetal force changes linear momentum but not angular momentum.

  a.  True

  b.  False

ANSWER:   True

POINTS:   1

QUESTION TYPE:   True / False

HAS VARIABLES:   False

DATE CREATED:   6/13/2016 10:29 AM

DATE MODIFIED:   6/13/2016 10:29 AM

Consider a situation where two moving objects collide and rebound from each other.

8. Kinetic energy is definitely conserved.

  a.  True

  b.  False

ANSWER:   False

POINTS:   1

QUESTION TYPE:   True / False

HAS VARIABLES:   False

PREFACE NAME:   Objects Collide Rebound

DATE CREATED:   6/13/2016 10:29 AM

DATE MODIFIED:   6/13/2016 10:29 AM

9. Linear momentum is definitely conserved.

  a.  True

  b.  False

ANSWER:   True

POINTS:   1

QUESTION TYPE:   True / False

HAS VARIABLES:   False

PREFACE NAME:   Objects Collide Rebound

DATE CREATED:   6/13/2016 10:29 AM

DATE MODIFIED:   6/13/2016 10:29 AM

Consider a situation where two moving objects collide, stick to each other, and move off together.

10. Kinetic energy is definitely not conserved.

  a.  True

  b.  False

ANSWER:   True

POINTS:   1

QUESTION TYPE:   True / False

HAS VARIABLES:   False

PREFACE NAME:   Objects Collide Stick

DATE CREATED:   6/13/2016 10:29 AM

DATE MODIFIED:   6/13/2016 10:29 AM