Advertisements
Advertisements
Question
When a toothpaste tube is squeezed, its shape changes. The force responsible for this is an example of :
Options
balanced forces
centripetal forces
unbalanced forces
centrifugal forces
Advertisements
Solution
balanced force
This is because a balanced force changes the shape of the object.
APPEARS IN
RELATED QUESTIONS
What is the usual name of the forces which cannot produce motion in a body but only change its shape ?
Name the unbalanced force which slows down a moving bicycle when we stop pedalling it.
Give one example where a force changes the shape (and size) of a 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.
What is the unit of force ?
A 1000 kg vehicle moving with a speed of 20 m/s is brought to rest in a distance of 50 metres :
(i) Find the acceleration.
(ii) Calculate the unbalanced force acting on the vehicle.
When we talk of a force acting on a body, it usually means :
A boy of mass 50 kg standing on ground exerts a force of 500 N on the ground. The force exerted by the ground on the boy will be :
Why does it happen?
If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.
