Physics 9 Chapter 2 - Kinamatics -17

Physics 9 Chapter 2 - Kinamatics -17

1. What does the straight line parallel to time-axis on a distance-time graph tells about the object?

a) That object is moving with variable speed
b) That object is in motion
c) That object is at rest
d) That object is moving with constant speed

2. What does the slope of straight line in distance-time graph?

a) Distance
b) Speed
c) Displacement
d) Velocity

3. What would be the speed of object if it covers 20 m of distance in 10 s?

a) 200 ms^-1
b) 30 ms^-1
c) 0.2 ms^-1
d) 2 ms^-1

4. What is the slope of line if distance is 20 m and time is 10 s?

a) 200 ms^-1
b) 2 ms^-1
c) 0.2 ms^-1
d) 30 ms^-1

5. When an object does not cover equal distances in equal intervals of time then its speed is.................?

a) Uniform
b) Zero
c) Variable
d) Constant

6. When an object does not cover equal distances in equal intervals of time then its speed is not.................?

a) Variable
b) Constant
c) Uniform
d) Zero

7. The slope of the curve at any point can be found from the slope of the .............at that point?

a) Secant
b) Cosecant
c) Tangent
d) Cotangent

8. If the slope of the tangent is 3 ms^-1, then what would be the speed of object?

a) 4 ms^-1
b) 2 ms^-1
c) 3 ms^-1
d) 5 ms^-1

9. If the slope is greater, then what would be the effect on speed?

a) Decreases
b) Also increases
c) None of these
d) Is zero

10. If the slope is horizontal then what is the effect on speed?

a) Also increases
b) Decreases
c) None of these
d) Is zero

11. What would be the distance a car has travelled if the line is at most 40 m in 10 s?

a) 0.4 m
b) 40 m
c) 4 m
d) 400 m

12. If the distance travelled during first 5s is 35m, then what is the speed during first five seconds?

a) Speed = 35m - 5s
b) Speed = 35m + 5s
c) Speed = 35m * 5s
d) Speed = 35m / 5s

13. If the distance travelled during first 5s is 35m, then what is the speed during first five seconds?

a) 30 ms^-1
b) 40 ms^-1
c) 175 ms^-1
d) 7 ms^-1

14. What is the speed of a car if it covers 40m in 10s?

a) 30 ms^-1
b) 400 ms^-1
c) 50 ms^-1
d) 4 ms^-1

15. What would be the speed during last 5s if distance travelled is 5m?

a) 25 ms^-1
b) 10 ms^-1
c) 0 ms^-1
d) 1 ms^-1

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