Advertisements
Advertisements
Question
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 ?
Advertisements
Solution
The balanced forces change the shape of the rubber ball when we squeeze it.
When we press a rubber ball between our two hands, the shape of the ball alters from spherical to oblong. This is because two equal and opposite forces (balanced force) are applied by our hands.
APPEARS IN
RELATED QUESTIONS
Fill in the following blank with suitable word :
When a stationary car starts suddenly, the passengers are jerked …………………..
Fill in the following blanks with suitable word :
If there were no unbalanced force of……………….. and no…………………. resistance, a moving bicycle would go on moving for ever.
Explain why, it is dangerous to jump out of a moving bus.
State the various effects of force.
Give one example where a force changes the speed of a moving body.
Give one example where a force changes the direction of a moving body.
What do you understand by the terms “balanced forces” and “unbalanced forces” ? Explain with examples.
What happens to the passengers travelling in a bus when the bus takes a sharp turn ? Give reasons for your answer.

Give one example where a force stops a moving body .
When we talk of a force acting on a body, it usually means :
