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Force, Work, Power and Energy — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsForce, Work, Power and Energy5 Marks
Question
Give two examples each of contact and non-contact forces.
✓

Answer

Contact Forces:
(i) Pushing a pile of rubble by a bulldozer.
(ii) Squeezing of a gum tube to extract the gum.
Non-contact Forces:
(i) When a magnet is brought near iron-nails, they stick to the magnet.
(ii) A ripen apple falls by itself from the tree.

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