Advertisements
Advertisements
Question
What do you mean by the gravitational force? Give an example to illustrate it.
Solution
The force of attraction on a body by the earth is called gravitational force.
Example: The leaves and fruits fall from a tree downwards towards the ground, water in a river flows down streams, a ball thrown up goes to a height, and then returns back on the ground are some examples of motion due to gravitational force
APPEARS IN
RELATED QUESTIONS
An archer stretches her bow while taking aim at the target. She then releases the arrow, which begins to move towards the target. Based on this information fill up the gap in the following statement using the following terms.
While the arrow moves towards its target, the forces acting on it are due to ______ and that due to ______ of air.
In the following situation identify the agent exerting the force and the object on which it acts. State the effect of the force in case.
A load suspended from a spring while its other end is on a hook fixed to a wall.
Fill in the blank.
On pulling a string, its .................. increases.
Match the following columns
Column A | Column B |
a) Non contact force | 1) repel |
b) Like poles | 2) kg |
c) Contact force | 3) gravitational force |
d) Mass | 4) wear and tear |
e) Weight | 5) force of friction |
f) Friction | 6) kgf |
Give one example of force as a pull
Answer the following in short.
Why is magnetic force considered as an action-at-a-distance force?
Give a reason for the following.
Brake handles of motorcycles are generally covered with a toweled cloth?
Answer the following in detail.
Differentiate between contract and non-contract force. Support your answer with suitable examples.
Can you identify whether it is push or pull that results in motion in the following cases?
![]() |
![]() |
![]() |
Push / Pull | Push / Pull | Push / Pull |
![]() |
![]() |
![]() |
Push / Pull | Push / Pull | Push / Pull |
A goalkeeper in a game of football pulls his hands backwards after holding the ball shot at the goal. This enables the goalkeeper to