EXERCISES

Author:Anil Ahlawat

Anil Ahlawat Science Solutions for EXERCISES

Simple step-by-step solutions to EXERCISES questions of Motion and Time from NSO Science Olympiad Workbook Grade 7. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from EXERCISES with Hints & Solutions

EASY
7th Foundation
IMPORTANT

In the given figure, two cars coming from town P are travelling with a speed of 65 km h-1. When they reach the cross road, one of the car turns towards town Q whereas the other continues forward towards town R. Both continue to move with the same speed of 65 km h-1.
Which of the following options is correct for given situations?
Question Image

(i) Both cars have same velocities even if the car turns towards town Q.
(ii) Two bodies have same velocities if they are moving with same speed in different directions.

EASY
7th Foundation
IMPORTANT

Which one of the following is an example of uniform motion?

EASY
7th Foundation
IMPORTANT

A train leaves a station X at 5:00 pm and reaches to another station Y at midnight. Its speed is 90 km h-1? What is the distance between X and Y?

EASY
7th Foundation
IMPORTANT

Match the column I with column II and select the correct option from the codes given below.

Column I Column II
(a) Object moving with variable speed (i)

Question Image

(b) Object is at rest (ii)

Question Image

(c) The graph which is not possible (iii)

Question Image

(d) Object moving with constant speed (iv)

Question Image

EASY
7th Foundation
IMPORTANT

Velocity-time graph for a particle moving on a straight line is shown in the figure. 
Select the correct Statement. 
Question Image

EASY
7th Foundation
IMPORTANT

Study the displacement-time graph of a toy car given here and choose the incorrect statement from the following.

Question Image

EASY
7th Foundation
IMPORTANT

Speed-distance graph of an object which comes to rest suddenly is

EASY
7th Foundation
IMPORTANT

The diagram given shows some passengers sitting in the moving bus and a person standing outside, a tree and a house. With reference to the diagram, choose the correct option.

Question Image
(i) For a passenger sitting within the bus, the tree and house appear to be moving in backward direction relative to a co-passenger.
(ii) For a person standing on the road, the bus seems to be moving in the forward direction relative to tree and house.
(iii) For a passenger sitting within the bus, a person standing on the road seems to be moving in forward direction relative to a co-passenger.