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Stretching force can change the shape and size of objects.

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Important Questions on Forces and Matter

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Physics>General Physics>Forces and Matter>Effects of Forces on Solids
A constant force is applied to a metal wire of length L. Volume of the wire is constant. The extension produced is proportional to
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Physics>General Physics>Forces and Matter>Effects of Forces on Solids
A force applied on an object may change its ________.
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Physics>General Physics>Forces and Matter>Effects of Forces on Solids
A ball hits a wall. It changes _____ of the ball.
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Physics>General Physics>Forces and Matter>Effects of Forces on Solids
How does the effect of force differ when it is applied on a non-rigid body?
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Physics>General Physics>Forces and Matter>Effects of Forces on Solids
What happens to the springs of a sofa when we sit on it?
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Physics>General Physics>Forces and Matter>Effects of Forces on Solids
How does the effect of force differ when it is applied on a rigid body?
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Physics>General Physics>Forces and Matter>Effects of Forces on Solids
A force has both a magnitude and _____.
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Physics>General Physics>Forces and Matter>Effects of Forces on Solids

State the effect of force F in of the following diagram.
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Physics>General Physics>Forces and Matter>Effects of Forces on Solids

In the following situation identify the agent exerting the force and the object on which it acts. State the effect of the force in the case. 

An athlete making a high jump to clear the bar at a certain height.

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Physics>General Physics>Forces and Matter>Effects of Forces on Solids

What is the cause of change in motion or change in the state of motion?

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Physics>General Physics>Forces and Matter>Effects of Forces on Solids
Give one example where force changes the shape of an object.
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Physics>General Physics>Forces and Matter>Effects of Forces on Solids
Give one example where force changes the direction of a moving object. 
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Physics>General Physics>Forces and Matter>Effects of Forces on Solids
Give two examples of situations in which applied force causes a change in the shape of an object.
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Physics>General Physics>Forces and Matter>Effects of Forces on Solids
Why does the shape of an ointment tube change when we squeeze it?
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Physics>General Physics>Forces and Matter>Effects of Forces on Solids
Which of these statements is wrong about the force?
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Physics>General Physics>Forces and Matter>Effects of Forces on Solids
Give one example where force moves a stationary object.
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Physics>General Physics>Forces and Matter>Effects of Forces on Solids
State two effects of a force when applied on a body.
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Physics>General Physics>Forces and Matter>Effects of Forces on Solids
Cotyledons are also called-
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Physics>General Physics>Forces and Matter>Effects of Forces on Solids
If the force applied on the object is in the direction of its motion?
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Physics>General Physics>Forces and Matter>Effects of Forces on Solids

In the following situations identify the agent exerting the force and the object on which it acts. State the effect of the force in each case. A load is suspended from a spring while its other end is on a hook fixed to a wall.