Page 1 - TYPES OF FORCES _FRICTIONAL , GRAVITATIONAL, MAGNETIC AND BOUYANT FORCES_
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CHAPTER 10 – FORCE, ENERGY AND SIMPLE MACHINES
TOPIC - TYPES OF FORCES
(FRICTIONAL FORCE, GRAVITY, MAGNETIC FORCE, BUOYANT FORCE)
OBJECTIVE QUESTIONS
Q.1 True/False:
a) A smooth surface offers less resistance than a rough surface.
b) Magnetic force causes a ball rolling on the ground to stop on its own.
c) Iron is a magnetic material.
d) Buoyant force pushes the object upwards in water.
Q.2. Choose the correct option:
1. We are able to stay on the ground due to:
A) Buoyant force
B) Elastic force
C) Gravitational force
D) Electrical force
E) None of these
II. ____ reduces the friction between different parts of a machine.
A) Oil
B) Milk
C) Water
D) Juice
E) None of these
III. The magnets shown here will
