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Test 2 Review B
Test Description: Conceptual physical science chapter 4
Instructions: Answer all questions to get your test result.
1) if an object has a mass of 10g and a volume of 2ml waht is the density?
A
20g/ml
B
8g/ml
C
5g/l
D
5g/ml
2) if an object has a force of 15N and a volume of 3 square inches what is the pressure?
A
5N/square in
B
3 psi
C
5psi
D
15n/square in
3) a liquid has a density of 10g/ml and a depth of 50 feet what is the liquid pressure?
A
50g/ml/ft
B
500g/ml/ft
C
60g/ml/ft
D
50ft/g/ml
4) if an object weighs 10N with bouyant force of 8N what will happen to it?
A
float
B
hover in the middle
C
sink
5) an object weights 5N with a bouyant force of 5N what will happen to it?
A
hover in the middle
B
float
C
sink
6) an object has a weight of 6N with a bouyant force of 10N what will happen to it?
A
sink
B
hover in the middle
C
float
7) what principle stated that an objects bouyant force is proportional to the weight of the liquid it displaces?
A
bernoulli
B
boyle
C
pascal
D
archimedes
8) who said that at the same temperatue, pressure and volume have an inverse relationship
A
bernoulli
B
archimedes
C
boyle
D
pascal
9) at the same temp, at time 1 the volume of a gas was 10L and a pressure of 5N. at time 2 the volume was 25L and the pressure was what?
A
25N
B
25n/l
C
2n/l
D
2N
10) a hot air balloon has a lift of 15 N is pushed left with a force of 4N right with a force of 4N and weights 10N. What happens to it
A
falls
B
moves right
C
moves left
D
rises
11) who said that as you increase the speed of a liquid you decrease the pressure
A
boyle
B
bernoulli
C
archimedes
D
pascal
12) is an object has a density of 5g/l and a volume of 6l what is the mass
A
11g/l
B
30g/l
C
30g
D
11g
13) what is the pressure of an object is the force is 4N and the area is 3 square inches
A
12N/square inch
B
12 lbs/in
C
1N/square inch
D
4N/suare inch
14) at the same temp. time1 pressure= 8N and the volume is 4L at time2 volume is 16L and the pressure is?
A
2N
B
8L
C
8N
D
2L
*select an answer for all questions
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