Advertisements
Advertisements
Question
Name the type of force which act in the following case:
A bicycle comes to rest slowly when the cyclist stops pedaling
Advertisements
Solution
Frictional force
APPEARS IN
RELATED QUESTIONS
Give two examples of situations in which applied force causes a change in the shape of an object.
State the effect produced by a force in the following case:
A player uses his stick to deflect the ball.
Tick the most appropriate answer.
Which of the following is not an effect of force?
Fill in the blank.
The force acting on a mango falling from a tree is an example of .....................
State if the following statement is true or false. Correct the statement if it is false.
Gravitational force is a contact force.
State if the following statement is true or false. Correct the statement if it is false.
Tires of vehicles are provided with grooved designs to decrease friction.
Answer the following in detail.
Why do all objects have a tendency to fall towards the centre of the earth?
Two balls of the same size but of different materials, rubber and iron are kept on the smooth floor of a moving train. The brakes are applied suddenly to stop the train. Will the balls start rolling? If so, in which direction? Will they move at the same speed? Give reasons for your answer.
What is momentum? Write its SI unit. Interpret force in terms of momentum. Represent the following graphically
(a) momentum versus velocity when mass is fixed.
(b) momentum versus mass when velocity is constant.
During dry weather, while combing hair, sometimes we experience hair flying apart. The force responsible for this is ______.
