Page 2 - Competency Based Worksheet- Friction

7. Observe the given pictures:
a) Identify the objects shown.
b) Where are they used?
c) What is their function?

8. a) Who will land more safely — Skydiver 1 or
2?
b) Explain with reason.

9. Observe the object in the picture:
a) What special shape is seen in the picture?
How does it help in motion?
b) Name the factors that affect fluid friction.

Activity-Based Questions
10. A 50 kg brick and a 100 kg brick experience 10 N of friction when placed on the same
surface.
a) If the surface remains the same, what will be
the expected frictional force on the second
brick?
b) What does this tell us about the relationship
between weight and friction?

11. Riya and Priya conducted an experiment by placing equal masses of an ice block and a
sandpaper block on an inclined plastic tray. Which
block will reach the bottom of the tray first? Give a
reason.

DATA-BASED QUESTIONS
12. A student gradually applies force to a box resting on the floor. The data is recorded as
follows:
Applied Force (N) Does the box move?

2 N No
4 N No