# Kinematics-Frame of Reference (NEET Physics): Questions 1 - 2 of 2

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## Question number: 1

» Kinematics » Frame of Reference

MCQ▾

### Question

A reference frame attached to the earth:

1. Is an inertial frame by definition
2. Cannot be an inertial frame because the earth is revolving round the sun
3. Is an inertial frame because Newton’s laws are applicable in this frame
4. Cannot be an inertial frame because the earth is rotating about its own axis

### Choices

Choice (4) Response

a.

1 and 3

b.

1, 2 and 3

c.

2 and 4

d.

1 and 2

## Question number: 2

» Kinematics » Frame of Reference

MCQ▾

### Question

if a particle travels a linear distance at speed v 1 and comes back along the same track at speed v 2.

(1) Its average speed is arithmetic mean (v 1 + v 2) / 2

(2) Its average speed is harmonic mean 2 v 1 v 2 / (v 1 + v 2) /2

(3) Its average speed is geometric mean √v 1 v 2

(4) Its average velocity is zero

### Choices

Choice (4) Response

a.

2 and 4

b.

1 and 3

c.

1, 2 and 3

d.

1 and 2

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