Advertisements
Advertisements
प्रश्न
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 :
विकल्प
balanced force
unbalanced force
magnetic force
muscular force
Advertisements
उत्तर
unbalanced force
This is because an unbalanced force is responsible to bring about a change in the state of motion of an object.
APPEARS IN
संबंधित प्रश्न
An object experiences a net zero external unbalanced force. Is it possible for the object to be travelling with a non-zero velocity? If yes, state the conditions that must be placed on the magnitude and direction of the velocity. If no, provide a reason.
State whether the following statement is true or false :
Unbalanced forces acting on a body change its shape.
Fill in the following blank with suitable word:
When a running car stops suddenly, the passengers are jerked …………………..
Fill in the following blank with suitable word :
When a stationary car starts suddenly, the passengers are jerked …………………..
Give one example where a force stops a moving body.
What do you understand by the terms “balanced forces” and “unbalanced forces” ? Explain with examples.
What type of forces – balanced or unbalanced – act on a rubber ball when we press it between our hands ? What effect is produced in the ball ?
There are two types of forces X and Y. The forces belonging to type X can produce motion in a stationary object but cannot change the shape of the object. On the other hand, forces belonging to type Y cannot produce motion in a stationary object but can change the object. What is the general name of the forces as (a) X, and (b) Y?
When a rubber balloon held between the hands is pressed, its shape changes. This happens because :
Why does it happen?
If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.
