Question

1. Multiple Choice Questions
1. Which one of the following is not an example of non-contact force?
a. ball thrown up returns back to earth
b. falling of raindrops on earth
c. iron pins attracted by a bar magnet.
d. The force exerted by a stretched spring.
2. Lifting of a bucket of water with the help of muscular force is an example of --------force
a. Contact
b. non
contact
3. Find out the suitable pair of non-contacting forces
a. frictional, normal b. gravitational, electrostatic
c. magnetic, frictional d. nuclear, normal
4. Which type of motion repeats itself at regular interval of time?
a. Circular motion
b. Rectilinear motion
c. Periodic motion
d. Curvilinear motion
5. When a screw is screwed into a box it shows-
a. Rectilinear motion & circular motion
b. Rectilinear motion & Rotatory motion
c. Circular motion & Oscillatory motion
d. Oscillatory & Rectilinear motion​

Answer 1

Answer:

you are of which school &class

Answer 2

Answer:

b.falling of raindrops on earth