NSO Level 1- Science Olympiad (SOF) Class 9: Questions 987 - 991 of 1123
Access detailed explanations (illustrated with images and videos) to 1123 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.
Rs. 450.00 or
How to register?
Question number: 987
Question number: 988
» Physics » Force & Laws of Motion
Question
Which of the following is the reaction, when you walk on a road?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | The force that the road exerts on your feet |
|
| b. | The muscular force you exert on the road |
|
| c. | Question does not provide sufficient data or is vague |
|
| d. | None of the above |
|
Question number: 989
» Physics » Force & Laws of Motion
Question
A constant force acts on an object of mass for a duration of . This increases the velocity of the object from to . . Magnitude of the applied force would be
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
|
|
| b. |
|
|
| c. |
|
|
| d. | None of the above |
|
Question number: 990
» Physics » Force & Laws of Motion
Question
Which of the following is not an application of Newton’s First Law of Motion?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | A fielder in the cricket ground gradually pulls his hands back as soon as he catches the ball. |
|
| b. | A bus driver reduces the speed by changing the gear before applying break |
|
| c. | A rubber ball bounces back after striking on a wall. |
|
| d. | In a high jump, the athlete is allowed to fall on sand or cushion bed |
|
Question number: 991
» Physics » Force & Laws of Motion
Question
A truck with a mass of is moving on a straight road. The driver applied break. If the frictional force between the vehicle and the road is - the acceleration of the truck would be
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
|
|
| b. |
|
|
| c. |
|
|
| d. |
|
|