Advertisements
Advertisements
प्रश्न
Assertion & Reasoning
- Assertion: The sum of the clockwise moments is equal to the sum of the anticlockwise moments.
- Reason: The principle of conservation of momentum is valid if the external force on the system is zero.
पर्याय
If both the assertion and the reason are true and the reason is the correct explanation of assertion.
If both the assertion and the reason are true, but the reason is not the correct explanation of the assertion.
Assertion is true, but the reason is false.
Assertion is false, but the reason is true.
Advertisements
उत्तर
If both the assertion and the reason are true, but the reason is not the correct explanation of the assertion.
APPEARS IN
संबंधित प्रश्न
Where can a body execute free vibrations?
In Fig. a force F is applied in a direction passing through the pivoted point O of the body. Will the body rotate? Give reason to support your answer.

What are contact forces? Give two Example
State Newton's first law of motion. Why is it called the law of inertia?
Classify the following amongst contact and non-contact forces.
normal reaction force,
Classify the following amongst contact and non-contact forces.
magnetic force
Give an example of the following uses of a machine:
to change the direction of force
Under what condition will a set of gears produce a gain in torque.
State the effects that a force can produce. Given one example of each.
Write the expression for calculating the moment of force about a given point.

