# Distance

## Trending Questions

**Q.**

Two friends “a” and “b” start walking from a common point. A goes $20\mathrm{km}$ towards the northeast, whereas “b” goes $15\mathrm{km}$ towards the east and then $12\mathrm{km}$ towards the north. How far are “a” and “b” from each other?

**Q.**Name the device which is used to measure the distance travelled by a vehicle.

Speedometer

Odometer

Metre scale

Thermometer

**Q.**Driving at a speed of 60 miles per hour, how long would it take to drive 240 miles?

- 5 hours
- 4.5 hours
- 3.5 hours
- 4 hours

**Q.**Two points A and B are situated 60 km apart on a straight road. A vehicle travels from A to B in 3 h. It then halts for 1 h and takes 2 h to come back from B to A. Find the average speed of the whole journey.

- 25 km/h
- 24 km/h
- 10 km/h
- 20 km/h

**Q.**

Question 2 (iii)

Which of the following are not correct?

(iii) Distances between two cities are measured in kilometres.

**Q.**

A body is traveling in a straight line. It moves AB that is 5 m towards the east, BC that is 4 m towards noth-east while making 30^{o} with north and CD that is 7 m in the west direction. Calculate the resultant displacement. [2 MARKS]

**Q.**

How the force of attraction between two bodies varies with distance between them ?

none of these

Force is directly proportional to the square of the distance.

Force is inversely proportional to the square of the distance.

Force is inversely proportional to the distance.

**Q.**Which among the following is the unit of distance?

- Metres
- Kilometres
- Hours
- Kilograms

**Q.**Distance travelled per unit time is called ___.

- velocity
- acceleration
- mass
- speed

**Q.**What is an odometer? [1 mark]

**Q.**Identify the type of motion from the given distance-time graph.

- Non uniform motion
- The given distance-time graph is not possible.
- Uniform motion
- Rest

**Q.**If an airliner is flying east at 400 miles per hour, what distance will it have travelled after 3 hours?

- 133.33 miles
- 4, 000 miles
- 800 miles
- 1, 200 miles

**Q.**Which of the following statements are correct when we compare the motion of a car with the motion of a bullock cart?

- Speed of the car is less, as it covers more distance than the bullock cart in a given time.
- Speed of the car is more, as it covers more distance than the bullock cart in a given time.
- Speed of the car is more, as it covers less distance than the bullock cart in a given time.
- Both car and bullock cart always travel at the same speed.

**Q.**Identify the type of motion from the given distance-time graph.

- Uniform motion
- Non uniform motion
- Rest
- The given distance-time graph is not possible.

**Q.**

We take a one-meter rod and mark 4 points on it such that each segment is of equal length.

What is the length of the line segment OA?

20 cm

- 2 cm
2 m

2000 mm

**Q.**If an airliner is flying east at 400 miles per hour, what distance will it have travelled after 3 hours?

- 1, 200 miles
- 133.33 miles
- 800 miles
- 4, 000 miles

**Q.**

In CGS unit :

- C
^{2}m^{-3}N^{-1} - C
^{-1}m^{2}N^{-2} Mass is measured in grams.

Time is measured in seconds.

**Q.**A car moving at 10 m/s skids 2 m with locked brakes. How far will it skid if speed is 20 m/s?

- 6 m
- 10 m
- 8 m
- 12 m

**Q.**

The S.I unit of distance is kilometre.

True

False

**Q.**Ritu wants to measure her height. The unit of length that she can use conveniently is:

- km
- m
- cm
- mm

**Q.**

In order to cover a certain distance in a shorter time span, the object should have a greater _________.

mass

speed

time period

frequency

**Q.**For a moving particle, what does decrease in displacement with time mean?

- The acceleration of the particle is approaching zero.
- The particle is moving with uniform speed.
- The particle is moving towards its initial position.
- The particle is moving with nonuniform motion.

**Q.**

Which physical quantity is used to describe how far a body has travelled?

Mass

Dimension of the object

Time

Length

**Q.**

What could be the numerical ratio of displacement to distance?

**Q.**

In which of the following cases of motions, the distance moved and the magnitude of displacement are equal ?

The Earth revolving around the Sun

A car moving on a straight road

A pendulum moving to and fro

A car moving in a circular path

**Q.**The numerical ratio of displacement to distance for a moving object is:

- Always less than 1
- Always equal to 1
- Always more than 1
- Equal or less than 1.

**Q.**For a moving particle, what does decrease in displacement with time indicates ?

- The particle is moving towards its initial position
- The acceleration of the particle is approaching zero
- The particle is moving with uniform speed.
- The particle is moving with uniform motion.

**Q.**

In which of the following cases, the distance and the magnitude of displacement are equal ?

- A car moving on a straight road
- A pendulum moving to and fro
- The Earth revolving around the Sun
- A car moving in a circular path

**Q.**

The physical quantity, that is generally used to describe how much a body has travelled is __________.

mass

temperature

time

length

**Q.**Driving at a speed of 60 miles per hour, how long would it take to drive 240 miles?

- 4.5 hours
- 4 hours
- 3.5 hours
- 5 hours