### Class IX

Action and reacton act on
1. Same body but in opposite directions
2. Same body and in same direction
3. Different bodies but in opposite directions
4. Differentbodies but in same direction
The acceleration produced in a boby by an acting force of given magnitude depends upon .
1. Size of the body
2. Mass of the body
3. Shape of the body
4. All of this
A passenger in a moving train tosses a coin which falls
1. In front of him
2. Falls outside the train
3. Behind him
4. Will not move
Type of inertia that tends to resist the change in case of an Athlete often jumps before taking a long jumpĀ
1. Inertia of rest
2. Inertia of direction
3. Inertia of motion
4. Uniformly accelerated motion
In the following example, try to identify the number of times the velocity of ball changes: A football player kicks a football to another player of his team who kicks the football towards the goal. The goalkeeper of the opposite team collects the football and kicks it towards a player of his own team.
1. Five times
2. Three times
3. Four times
4. Six times
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