Question

State whether the following statement are true or false ..and correct the false statement
1] gases do not exert pressure on the walls of the container in which they are enclosed.
2] atmospheric pressure at high altitudes is less than the atmospheric pressure on the ground.
3] a force cannot change the speed of a moving object.

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Answer 1

Answer:

1. False

2. True

3. False

Explanation:

1. As we know that gasses exerts pressure in all directions so pressure will be exerted on the walls also

3. A force can change the speed of a moving body. If the force is in the opposite direction it will decrease the speed but if its in the direction of motion it will increase

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