EXERCISES
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
In the given figure, two cars coming from town are travelling with a speed of . When they reach the cross road, one of the car turns towards town whereas the other continues forward towards town . Both continue to move with the same speed of .
Which of the following options is correct for given situations?
(i) Both cars have same velocities even if the car turns towards town .
(ii) Two bodies have same velocities if they are moving with same speed in different directions.
Which one of the following is an example of uniform motion?
A train leaves a station at and reaches to another station at midnight. Its speed is ? What is the distance between and ?
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) | |
(b) | Object is at rest | (ii) | |
(c) | The graph which is not possible | (iii) | |
(d) | Object moving with constant speed | (iv) |
Velocity-time graph for a particle moving on a straight line is shown in the figure.
Select the correct Statement.
Study the displacement-time graph of a toy car given here and choose the incorrect statement from the following.
Speed-distance graph of an object which comes to rest suddenly is
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.
(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.