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Physics Class 9 - Important MCQs - 18

Physics Class 9 - Important MCQs - 18

1. Centre of gravity of sphere

1) ?F=0
2) Equilibrium
3) Centre of sphere
4) ?r = 0
2. Ability to do work

1) 0.707
2) energy
3) Power
4) work
3. Direction of torque

1) right hand rule
2) Meter
3) Centre of gravity
4) Centre of sphere
4. Sin 300

1) Doing Work
2) 0.5
3) Output
4) Out Put / In put
5. Energy due to position

1) work
2) energy
3) potential energy
4) kinetic energy
6. 2nd condition of equilibrium

1) Equal ? apposite parallel forces
2) ?r = 0
3) F x r
4) Central point of axis
7. Wheel

1) mg
2) R
3) Inclined plane
4) r
8. Force

1) Fxs
2) ma
3) mgh
4) mv2
9. Principia

1) Centrifuge
2) telecommunication
3) Newton
4) To avoid accident
10. Torque

1) Newton meter
2) directed towards center
3) Newton
4) telecommunication
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