Advertisements
Advertisements
Question
Give two examples to verify that a force changes the shape of a body.
Advertisements
Solution
Force can change the static condition of a body.
- If you squeeze a sponge, its shape changes.
- If you pull a rubber band, it becomes longer.
APPEARS IN
RELATED QUESTIONS
A spring is compressed against a rigid wall. Draw a neat and labelled diagram showing the forces acting on the spring.
Give one example in the given cases:-
A force moves a stationary body
Give one example in the given cases:-
A force changes the shape of a body
Which of the following is not the force at a distance:
(a) electrostatic force
(b) gravitational force
(c) frictional force.
(d) magnetic force.
Two bodies have masses in the ratio 3 : 4 when a force is applied on the first body. it moves with an acceleration of 6 ms-2 . How much acceleration will the same force produce in the other body?
A lead bullet of mass 20g, travelling with a velocity of 350 ms-1, comes to rest after penetrating 40 cm in a still target. Find:
1) the resistive force offered by the target and
2) the retardation caused by it
A body is acted upon by two forces of magnitude F, but in opposite directions. State the effect of the force if the two forces act at two different points of the body at a separation r.
Give two examples each of contact and non-contact forces.
In which of the following sport the turning of the effect of force used
Write true and false.
If mass increases, force decreases.
