50,000 Free MCQs for Preparation of ISSB Tests, Intelligence Tests, Entry Tests, General Knowledge, Interview Questions, Board Exams of Class 9, 10, 11, 12, NAT, GRE, and much more.
SMS Family and Friends to Benefit From
www.pakone.pk
Physics Class 9 - Important MCQs - 13

Physics Class 9 - Important MCQs - 13


1. Machine

1) Doing Work
2) Load effort
3) Out Put / In put
4) Output
2. States of equilibrium

1) Positive torque
2) Neutral equilibrium
3) 3
4) Unstable equilibrium
3. Axle

1) r
2) pulley
3) lever
4) Wheel & Axle
4. Sin 60o

1) Doing Work
2) 0.866
3) 0.5
4) zero
5. Ideal machines

1) Nut
2) L
3) 100% Efficiency
4) Machine
6. Height of gravity not change

1) Newton meter
2) Neutral equilibrium
3) directed towards center
4) Positive torque
7. Lever

1) Pulley
2) Moment of Load
3) opening bottle
4) 2
8. Gravitational constant

1) 5500 kg /m3
2) 9.8 m/s2
3) 6.67x10-11 Nm2/kg2
4) 6x1024 kg
9. Kilo

1) 10-6
2) 10-9
3) 103
4) 10-3
10. MA of pulley

1) Screw Jack
2) 2
3) r
4) 1/sin?
This is more feedback!
This is the feedback!