Physics
Clockwise moment produced by a force about a fulcrum is considered to be:
- Positive
- Negative
- Zero
- None of these
Answer
Negative
Reason — If the effect on the body is to turn it clockwise, moment of force is called the clockwise moment and it is taken as negative, while if the effect on the body is to turn it anticlockwise, moment of force is called the anticlockwise moment and it is taken as positive.
Related Questions
Speed of blue light in water is:
- more than green light
- more than orange light
- more than violet light
- more than red light
When the speed of a moving object is doubled, then its kinetic energy:
- remains the same
- decreases
- is doubled
- becomes four times
The energy conversion in a washing machine is from ……………
- magnetic to electrical
- electrical to mechanical
- electrical to magnetic
- magnetic to electrical
Which of the following radiations suffer maximum deflection in a magnetic field?
- Alpha radiations
- Beta radiations
- Gamma radiations
- X-radiations