Question

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III. Fill in the blanks.
1. To accelerate a body, a ...... must act on it.
2. A ...... spring pushes the objects attached to its ends.
3. The force exerted by the earth on a body is called .....
of the body
4. If a body A slips over another body B that is kept
fixed, the force of friction on A is ....... to the direction
of motion of A.
5. A body kept at rest will remain ...... if no unbalanced
force acts on it.
6. The force exerted by the earth on a body is always in
the
...... direction
7. The force needed to produce an acceleration of
1 m/s? in a body of mass 1 kg is called .......
8. The forces of action and reaction have ...... magnitudes
but ...... directions.
9. The linear momentum of a system remains constant
if no ...... force acts on it.
10. Buoyancy is equal in magnitude to the weight of
the ...... liquid
graphs for
unbalanced
D​

Answer 1

Answer:

crop one question at a time please

Answer 2

Answer:

what we have to fill in these blanks