Question

1. Name an instrument for measuring weight.
2. “In the absence of an external force, the total momentum of a system is constant identify
the law.
3. Give the unit of work
4. Classify the following situations that related to balanced force and unbalanced force.
a) Mango falling down from the tree.
b) Rolling of a ball along the ground.
5. What is inertia? What is the relation between mass and inertia.
6. Momentum is the characteristic property of moving objects.
a) What are the factors influencing momentum?
b) Write down the equation for momentum.
7. Two objects are kept at certain distance.
a) How many times will the gravitational force between them be if the mass of both bodies are
double?
b) What if the distance between them is doubled?
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Answer 1

Answer:

For example, we can factor 12 as 3 × 4, or as 2 × 6, or as 2 × 2 × 3. So 2, 3, 4, and 6 are all factors of 12.

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Factor – Elementary