Question

7. Friction produces which of the following?
a. heat
d. all of these
b. light
c. charge
8. Which of the following quantities can be measured using a spring balance?
a. weight of an object
b. mass of an object
C. volume of an object
d. density of an object
9. Which of the following reduces the fluid resistance acting on an object?
a. broadening from the front
b. broadening from the back
c. streamlining
d. none of these
10. Fluid friction depends on which of the following factors?
a. nature of the fluid
b. speed of the object
C. shape of the object
d. all of these​

Answer 1

Answer:

7. d) all of these

8. a) weight of an object

9. c) streamlining

10. d) all of these

Answer 2

Answer:

1) a) heat.

2) a) weight of an object.

3) c) streamlining.

4) b) speed of the object.

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