Distance

Q.

What are physical quantities?

Q.

The length of the path travelled by a body is known as __________.

1. Position

2. Reference point

3. Displacement

4. Distance

Q.

Deepak traveled from Delhi to Mumbai by car. The odometer of the car reads 12758km in Delhi and 14058km in Mumbai. On the next journey, Deepak traveled between the same two places by airplane. Let us suppose that the airplane travels by the shortest path with are 800km. Find the distance and displacement covered by Deepak.

Q.

What is a metre rod?

Q. Which of the following is true for displacement?
(a) It cannot be zero.
(b) Its magnitude is greater than the distance travelled by the object

Q.

An ant first travels from P to R on a right-angled triangle PQR which is q equals to13m.Then it walks to point Q travelling p equal to 12m.If the sum of p, q and r is 30m find the displacement and distance travelled by the ant?

1. Displacement: 25m , Distance: 25m

2. Displacement: 25m , Distance: 5m

3. Displacement: 5m , Distance: 25m

4. Displacement: 5m , Distance: 5m

Q.

Derive the expression for kinetic energy. [5 MARKS]

Q.

A distance is always

1. positive

2. negative

3. may be positive and negative both

4. Neither positive nor negative

Q.

The distance covered by a body can be measured in the same unit as that of

1. Speed

2. Displacement

3. Time

4. Force

Q. Arrange the following lengths in the increasing order of magnitude.

1. 1 metre
2. 1 centimetre
3. 1 kilometre
4. 1 millimetre
   

Q.

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

1. A car moving on a straight road

2. A car moving in a circular path

3. A pendulum moving to and fro

4. The Earth revolving around the Sun

Q. Which of the following physical property is used to measure the bunch of fruits and vegetables?

1. Mass
2. Volume
3. Length
4. Time

Q.

A vector quantity is a physical quantity which needs

1. magnitude

2. direction

3. both A and B

4. time

Q.

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

1. Length

2. Time

3. Mass

4. Temperature

Q. What term do we use to define how far an object has travelled?

1. Weight
2. Time
3. Length
4. Brightness

Q. An appropriate scale for measuring the air travel distance between India and Germany would be:

1. centimetre
2. kilometre
3. metre
4. millimetre

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

1. Uniform motion
2. Non uniform motion
3. Rest
4. The given distance-time graph is not possible.

Q.

Is distance a scaler or a vector quantity?

Q. Sanjay is travelling from Bangalore to Mysore by car. Which physical quantity is used to describe how far he has travelled?

1. Distance
2. Time
3. Mass
4. Temperature

Q. Sam Walks to his school which is 3km away from his home in 30 minutes, On reaching , he finds that the school is closed and comes back by a bicycle with his friend and reaches home in 20 minutes.what is his average speed in km/h for the whole journey?

1. 8.3
2. 7.2
3. 3.6
4. 5

Q. A person moves 30m north then 20meast then 30root2 in south west his displacement is

Q.

Four cars A, B, C, and D are moving on a leveled road. Their distance versus time graph is shown in the figure. Chose the correct statement.

1. Car A is faster than car D

2. Car B is the slowest

3. Car D is faster than car C

4. Car C is the slowest

Q. what is the difference between position time graph and displacement time graph

Q.

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

1. Time

2. Mass

3. Temperature

4. Distance

Q. is the physical quantity used to describe how far a body has travelled.

1. Distance
2. Time
3. Speed

Q.

A car moves along the periphery of a square field of side 10 m. It completes travelling one side in 40 s. What will be the magnitude of distance and displacement at the end of 2 min and 20 seconds?

1. 35m, 5m

2. 25m, 10m

3. 35m, 35m

4. 35m, 10m

Q.

A physical quantity is that quantity which

1. occupies space

2. can be measured

3. has some mass

4. all of these

Q. Give the reasons for error in measurement in the following images.

Q.

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

1. Distance

2. Time

3. Mass

4. Temperature