Physics -

Choose: The suitable tool for measuring the radius of a small metallic sphere is ……………………

•   the ruler

•        the meter tape

•    the vernier caliper

•    the sensitive balance

The derived physical quantities of the following are ··········

• velocity - distance - time

• mass - density - volume

• work - force - distance

• force - volume - density

The suitable tool for measuring the length of a room is .....................

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The suitable tool for measuring the mass of a golden ring is ...............

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A common feature in the French (Gaussian) system, the British system and the Metric

• system is that they all measure .................

• length in meter

• mass in pound

• time in second

• temperature in Celsius

The length of a particle was measured by a micromete,; it was found to be 3 μm, so

the length of the particle equals .............

If the acceleration is known as the rate of change of velocity, then the dimensions of acceleration ( a) and its measuring unit are . . .............d