Define force and its S.I. unit.
Q2. What are balanced and unbalanced forces?
Q3. State the Newton’s law of motion (all three).
Q4. Define ‘Inertia’. State its S.I. unit.
Q5. Why do dust particles fall off when a carpet is beaten with a stick?
Q6. Derive the formula, F = ma.
Q7. Define momentum. State its S.I. unit and formula.
Q8. State the law of conservation of momentum and derive the formula.
Q9. Why do you fall backwards when a bus suddenly starts moving?
Q10. Why does a cricket player pull his hands backwards while catching a ball?
Q11. Do the following numericals of the exercises given on page 128 and 129 in
the NCERT book.
Question no – 6, 11, 13, 14, 15 and 18
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Explanation:
The pull and push on an object is called force.Its SI unit is neuton.
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0
Answer:
I also don't know the answer
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