#### Force and Motion Book Back Questions

6th Standard

Reg.No. :
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Science

Time : 00:45:00 Hrs
Total Marks : 30
3 x 1 = 3
1. Unit of speed is__________

(a)

m

(b)

s

(c)

kg

(d)

m/s

2. The correct relation among the following is __________

(a)

Speed = distance × time

(b)

Speed = distance / time

(c)

Speed = time / distance

(d)

Speed = 1 / (distance × time)

3. Gita rides with her father’s bike to her uncle’s house which is 40 km away from her home. She takes 40 minutes to reach there.
Statement 1: She travels with a speed of 1 km/minute.
Statement 2: She travels with a speed of 1 km/hour.

(a)

Statement 1 alone is correct.

(b)

Statement 2 alone is correct.

(c)

Both statement 1 and 2 are correct.

(d)

Neither statement 1 nor statement 2 is correct.

4. 3 x 1 = 3
5. A bike moving on a straight road is an example of _________motion.

()

Linear

6. Gravitational force is a _________ force.

()

Non Contact Force

7. When an object covers equal distances in equal interval of time, it is said to be in __________motion.

()

Uniform

8. 2 x 1 = 2
9. Vibratory motion and rotatory motion are periodic motions

(a) True
(b) False
10. Robots will replace human in future

(a) True
(b) False
11. 3 x 1 = 3
12. The force which acts on an object without Physical contact with it

13. The motion of an object travels equal distances in equal intervals of time

14. A machine capable of carrying out a complex series of actions automatically

15. 1 x 1 = 1
16. Complete the web chart.

17. 3 x 2 = 6
18. Define force.

19. If you are sitting in a moving car, will you be at rest or motion with respect ur friend sitting next to you?

20. Differentiate between rotational and curvilinear motion.

21. 2 x 2 = 4
22. kicking a ball :: contact force :: falling of leaf : ___________?

23. Distance : metre :: speed :___________?

24. 1 x 3 = 3
25. A vehicle covers a distance of 400km in 5 hours. Calculate its average speed.

26. 1 x 5 = 5
27. What is motion? Classify different types of motion with examples.