Force and Pressure
| Description: practice questions on force and pressure | |
| Number of Questions: 15 | |
| Created by: Amal Dixit | |
| Tags: FORCE AND PRESSURE Force and its Effects Contact Forces and Non-contact Forces Pressure, Atmospheric Pressure Physical Changes and Its Characteristics Crystallization Common Types of Chemical Changes Identifying Chemical Changes |
Which of the following statements about force is false?
Which of the following is expressed as magnitude of force?
What is the S.I. unit of force?
Which of the following is an example of contact force?
Force acting per unit area of a surface is called
Force acting on a surface, in a direction perpendicular to it, is called
The force by which an object is attracted towards the Earth is called its
A boy was travelling for the first time in an aeroplane. As the flight took off from the airport, he got an uneasy feeling. He felt that some pressure changes had occurred. What forces were acting on the aeroplane immediately after it took off?
While scuba diving, a girl notices air bubbles underwater. She observes that the size of a bubble is small when it is deep underwater. But the size increases as it moves upwards. What could be the reason behind the increase in size of the bubble?
A boy was travelling with his father on a scooter. He noticed a huge truck with many big wheels. He compared the size of the wheel to that of his scooter. He then asked his father,'' why are the wheels of heavy vehicles broad and more in number. Which of the following is the correct answer of the question asked by the boy?
Which of the following is an example for muscular force?
Why do astronauts wear special space-suits?
Name a device used for measuring fluid pressure.
Some villagers were carrying heavy pots on their heads back to their homes. Many of them complained that their heads ached badly due to the weight. A clever person among them suggested that they should remove their shirts, roll it and place it on their heads like a ring to carry the heavy pots. When this was done, the weight on their heads seemed easier to carry. What is the correct explanation for this?