Physics 201 final Exam Questions With
Correct Answers
If |on |a |bus, |bus |moves |forwards, |you |slide |forward |when |bus |comes |to |an |immediate |stop. |
What |force |caused |the |slide? |- |CORRECT |ANSWER✔✔-NOT |a |force |causing |to |slide |forward
what |does |an |acceleration |of |+2.0m/s |mean? |- |CORRECT |ANSWER✔✔-The |object |is |increasing
|velocity |by |2.0 |m/s |every |second
An |object |moving |with |constant |non-zero |velocity... |- |CORRECT |ANSWER✔✔-has |a |net |force |
on |the |object |is |ZERO!
constant |non-zero |velocity |equals |- |CORRECT |ANSWER✔✔-ZERO |net |force
Car |travels |west |begins |to |slow |down |as |it |approaches |a |traffic |light...Acceleration? |- |CORRECT
|ANSWER✔✔-The |acceleration |is |TOWARD |EAST.
Brick |A |dropped |from |top |of |building. |Brick |B |is |thrown |straight |down |from |the |same |building.
|Acceleration? |- |CORRECT |ANSWER✔✔-The |two |bricks |have |EXACTLY |the |same |acceleration.
Ball |thrown |horizontally |from |top |of |a |tower |at |the |same |instant |a |stone |is |dropped |vertically. |
Which |object |is |traveling |faster |when |it |hits |the |ground? |- |CORRECT |ANSWER✔✔-THE |BALL
A |block |of |mass |sits |at |rest |on |a |rough |inclined |ramp |that |makes |an |angle |theta |with |
horizontal. |What |must |be |true |about |force |of |static |friction |on |the |block? |- |CORRECT |
ANSWER✔✔-static |friction=mgsin0
Correct Answers
If |on |a |bus, |bus |moves |forwards, |you |slide |forward |when |bus |comes |to |an |immediate |stop. |
What |force |caused |the |slide? |- |CORRECT |ANSWER✔✔-NOT |a |force |causing |to |slide |forward
what |does |an |acceleration |of |+2.0m/s |mean? |- |CORRECT |ANSWER✔✔-The |object |is |increasing
|velocity |by |2.0 |m/s |every |second
An |object |moving |with |constant |non-zero |velocity... |- |CORRECT |ANSWER✔✔-has |a |net |force |
on |the |object |is |ZERO!
constant |non-zero |velocity |equals |- |CORRECT |ANSWER✔✔-ZERO |net |force
Car |travels |west |begins |to |slow |down |as |it |approaches |a |traffic |light...Acceleration? |- |CORRECT
|ANSWER✔✔-The |acceleration |is |TOWARD |EAST.
Brick |A |dropped |from |top |of |building. |Brick |B |is |thrown |straight |down |from |the |same |building.
|Acceleration? |- |CORRECT |ANSWER✔✔-The |two |bricks |have |EXACTLY |the |same |acceleration.
Ball |thrown |horizontally |from |top |of |a |tower |at |the |same |instant |a |stone |is |dropped |vertically. |
Which |object |is |traveling |faster |when |it |hits |the |ground? |- |CORRECT |ANSWER✔✔-THE |BALL
A |block |of |mass |sits |at |rest |on |a |rough |inclined |ramp |that |makes |an |angle |theta |with |
horizontal. |What |must |be |true |about |force |of |static |friction |on |the |block? |- |CORRECT |
ANSWER✔✔-static |friction=mgsin0