St. Andrews Scots Sr. Sec. School
9th Avenue, I.P. Extension, Patparganj, Delhi – 110092
Session 2022-2023 - Worksheet
Class: VIII Subject: Science Topic: Friction Worksheet No:10
Q.1. Fill in the blanks:
a) Bodies of birds, fishes and ships are ___________.
b) Friction can also produce ___________.
c) All objects moving in fluids have ___________ shape to reduce ___________.
d) Rough surfaces produce ___________ friction than smooth surfaces.
e) In many machines, friction is reduced by using ___________.
Q.2.Write True or False against each statement:
a) Friction is independent of the nature of surfaces in contact.
b) A spring balance measures force.
c) Friction can be reduced by using ball bearings in some machines.
d) Friction can never be eliminated.
e) Friction do not produce heat.
Q.3. Match the following:
Q.4. Multiple choice questions:
a) Friction is a
(i) non-contact force
(ii) contact force
9th Avenue, I.P. Extension, Patparganj, Delhi – 110092
Session 2022-2023 - Worksheet
Class: VIII Subject: Science Topic: Friction Worksheet No:10
Q.1. Fill in the blanks:
a) Bodies of birds, fishes and ships are ___________.
b) Friction can also produce ___________.
c) All objects moving in fluids have ___________ shape to reduce ___________.
d) Rough surfaces produce ___________ friction than smooth surfaces.
e) In many machines, friction is reduced by using ___________.
Q.2.Write True or False against each statement:
a) Friction is independent of the nature of surfaces in contact.
b) A spring balance measures force.
c) Friction can be reduced by using ball bearings in some machines.
d) Friction can never be eliminated.
e) Friction do not produce heat.
Q.3. Match the following:
Q.4. Multiple choice questions:
a) Friction is a
(i) non-contact force
(ii) contact force