Question

(a) Copy the diagram and mark on it the direction of
(b) Name one instrument which works on the above
the restoring force,
principle
3. Why do we fall in the forward direction when a
moving bus brakes to a stop and falls backwards
when it accelerates from rest? Which law of motion is
involved here?
4. State Newton's first law of motion. Why is it advised
to tie any luggage kept on the roof of a bus with a
rope?
5. Define "inertia of motion" and "intertia of direction"
by giving one example of each.
6. State the three laws of motion.
7. How would you derive a mathematical formula to
measure force using second law of motion? Define
the unit of force using this formula.
8. State Newton's second law of motion. Give any two
instances of application of this law from your daily
life.
9. How can the first law of motion be mathematically
stated from the mathematical expression for the
second law of motion?
10. Derive an expression for calculation of force.
11. Establish the relation, F = ma, from Newton's second
law of motion.
12. (a) Does momentum have direction? If yes, how is it
specified?
(b) Name two factors on which change of momentum
depends.
13. Draw graphs showing dependence of momentum of
an object on (a) its mass, and (b) its velocity.​

Answer 1

Answer:

only 5 point it's too small