Advertisements
Advertisements
Question
Fill in the blank.
Magnetic force is a ................ force.
Solution
Magnetic force is a non-contact force.
APPEARS IN
RELATED QUESTIONS
To move a loaded trolley we have to ______ it.
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.
Taking out paste from a toothpaste tube.
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.
An athlete making a high jump to clear the bar at a certain height.
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 |
State if the following statement is true or false. Correct the statement if it is false.
It is possible that a force applied to an object may not bring any change in it.
State if the following statement is true or false. Correct the statement if it is false.
Two equal and opposite forces acting on an object balance out each other.
Solve the crossword puzzle.
Across
1. Type of force which depends upon the roughness of a surface
2. An effect of friction
3. The force of friction caused due to fluids
4. Type of friction acting between two bodies at rest
5. Type of friction which occurs when applied force overcomes static friction
6. A special body design to enable minimum drage Down
Answer the following in detail.
Differentiate between contract and non-contract force. Support your answer with suitable examples.
______ is an ancient Indian astronomer.
A truck of mass M is moved under a force F. If the truck is then loaded with an object equal to the mass of the truck and the driving force is halved, then how does the acceleration change?
