FA- Measurement of Length and Motion

Which type of motion can be described as back-and-forth movement along a straight line?

• Circular motion

• Rectilinear motion

• Curvilinear motion

• Vibrational motion

Which type of motion involves an object moving along a curved path?

• Circular motion

• Vibrational motion

• Rectilinear motion

• Rotational motion

Circular motion involves an object moving around a fixed point in a __________ path.

When an object returns to its original position after a certain time, it is undergoing __________ motion.

Objects vibrating or oscillating are an example of __________ motion.

A car moving on a straight road is an example of __________ motion.

Define oscillatory motion and provide an example of an object that demonstrates this type of motion.

Explain why it's important to choose the appropriate unit for measurements. Give an example where using the wrong unit can lead to confusion or error.

What does SI stand for in SI units?

How can you measure the length of a curved line?