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Frictional Force

When we talk ...

Question

When we talk of a force acting on a body, it usually means :

(a) electrical force
(b) balanced force
(c) unbalanced force
(d) nuclear force

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Solution

(c) unbalanced force
Unbalanced forces are responsible for producing a change in the state of motion of a body. So when we talk of a force, it usually means unbalanced force.

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Similar questions

Q. Define balanced forces and unbalanced force.
State whether balanced or unbalanced force acts on a object when it is staying rest on a table.

Q. Choose the correct statement(s):
Statement 1: Unbalanced forces can change the direction of motion of a body.
Statement 2: A balanced force is required to accelerate the body.
Statement 3: An object moves with a uniform velocity when balanced forces are acting on it or if there is no net force acting on it.
Statement 4: Balanced force cannot bring an object at rest to motion.

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Q. When a rubber balloon held between the hands is pressed, its shape changes. This happens because :

(a) balanced forces act on the balloon
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(c) frictional forces act on the balloon
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Q. If we release a magnet held in our hand, it falls to the ground. The force which makes the magnet fall down is an example of :

(a) balanced force
(b) unbalanced force
(c) magnetic force
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