Question

What kind of motion is shown by the following?
1. An elevator going up.
2. A car taking an U- Turn.
3. A fish swimming in water.
4. A stone dropped from a height.
5. Moon going around the earth.
6. A butterfly moving in a garden.
7. A child going down a slide.
8. An athlete running 200 m race


name some common tools for measuring length.
.What are the types of motion associated with a moving bicycle.
The plucked string of sitar shows ______ motion.
In FPS system the unit of mass is ________
__________ is the distance between elbow to the tip of the middle finger.
Draw a concept map on types of motion.
95 points

Answer 1

1 The elevator has an upward acceleration (accelerating upward, or decelerating while on the way down) the elevator has a downward acceleration (accelerating down, or decelerating while on the way up)

3 So, a bicycle moving on a straight road has two types of motion rotational motion as well as rectilinear motion. 4) Example of sewing machine – The swing machine has a wheel which rotates on an axle.

2 Length: Tools used to measure length include a ruler, a Vernier caliper, and a micrometer screw gauge.

4 The motion of a plucked string of a sitar. Oscillatory motion is the repetitive motion of the system around its fixed point. It is to and fro motion of an object from its mean position. Examples: movement of a spring, alternating current or oscillation of simple pendulum.

5 The foot pound second system or FPS system is a system of units built on the three fundamental units foot for length, pound for either mass and second for time.

6 1 cubit is taken as equal to 18 inches (457 mm). It is based on the length of the arm from the elbow to the tip of the middle finger and was considered the equivalent of 6 palms or 2 spans. However, the cubit is not preferred since it varies from person to person.

7 Answer 7 is see in pic

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Answer 2

1) iniform motion

the elevator has an upward acceleration (accelerating upward, or decelerating while on the way down) the elevator has a downward acceleration (accelerating down, or decelerating while on the way up).

2)turning motion

3)sliding ( frictional) motion

4) accelerated or circular motion

5) rotational motion

6) un uniform motion.

7) Sliding or uniform motion

8) un uniform motion

_____________________________________________

• Tools used to measure length include a ruler, a Vernier caliper, and a micrometer screw gauge.

a bicycle moving on a straight road has two types of motion rotational motion as well as rectilinear motion. Example of sewing machine – The swing machine has a wheel which rotates on an axle.

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