" /> -->

#### Force and Motion One Mark Questions

7th Standard EM

Reg.No. :
•
•
•
•
•
•

Science

Time : 00:30:00 Hrs
Total Marks : 15
5 x 1 = 5
1. A particle is moving in a circular path of radius r. The displacement after half a circle would be

(a)

Zero

(b)

R

(c)

2 r

(d)

r / 2

2. From the given v-t graph it can be inferred that the object is

(a)

in uniform motion

(b)

at rest

(c)

in non uniform motion

(d)

moving with uniform acceleration

3. Distance travelled by a body in a given time

(a)

is always positive

(b)

can be zero or positive

(c)

is always negative

(d)

either (a) or (c)

4. Which of the following is correct

(a)

magnitude of displacement may be greater than distance

(b)

Distance is always greater than or equal to the magnitude of displacement.

(c)

Distance is always greater than the magnitude of displacement.

(d)

Both are scalar quantities.

5. A car is moving along a straight road with uniform velocity which is the correct representation:

(a)

(b)

(c)

(d)

6. 5 x 1 = 5
7. The shortest distance between the two places is ______

()

displacement

8. The rate of change of velocity is _______

()

acceleration

9. The SI unit of displacement is _____________

()

metre (m)

10. The SI unit of speed is ___________

()

m/s

11. ___________ is the length of actual path covered by a body.

()

Distance

12. 5 x 1 = 5
13. Displacement

14. (1)

Equal distances covered in equal intervals of time

15. Light travels through vacuum

16. (2)

Unequal distance covered in equal interval of time

17. Uniform motion.

18. (3)

Uniform velocity

19. Non-uniform motion

20. (4)

Not possible.

21. The velocity-time graph is a circle

22. (5)

Metre