Ncert solutions

Ncert solutions

Grade 8

Friction | Exercise

Question 1

Q1) Fill in the blanks.

(a) Friction opposes the _____________ between the surfaces in contact with each other.

(b) Friction depends on the _____________ of surfaces.

(c) Friction produces _________.

(d) Sprinkling of powder on the carrom board ________ friction.

(e) Sliding friction is ___________ than the static friction.

Solution:

(a) Friction opposes the motion between the surfaces in contact with each other.

(b) Friction depends on the irregularities of surfaces.

(c) Friction produces heat.

(d) A sprinkling of powder on the carrom board reduces friction.

(e) Sliding friction is lesser than the static friction.

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subject-cta

Question 1

Q1) Fill in the blanks.

(a) Friction opposes the _____________ between the surfaces in contact with each other.

(b) Friction depends on the _____________ of surfaces.

(c) Friction produces _________.

(d) Sprinkling of powder on the carrom board ________ friction.

(e) Sliding friction is ___________ than the static friction.

Solution:

(a) Friction opposes the motion between the surfaces in contact with each other.

(b) Friction depends on the irregularities of surfaces.

(c) Friction produces heat.

(d) A sprinkling of powder on the carrom board reduces friction.

(e) Sliding friction is lesser than the static friction.

Still have questions? Our expert teachers can help you out

Book a free class now

Want to top your science exam ?

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Book a free class now
subject-cta
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