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प्रश्न
Explain giving two examples of following :
Non - contact forces
What do you understand by the following term?
Non-contact forces
उत्तर
The forces experienced by bodies even without being physically touched are called non-contact forces.
Example: Gravitational force and Electrostatic force.
संबंधित प्रश्न
Explain giving two examples of following :
Contact forces
State the effects of a force applied on
- A non-rigid, and
- A rigid body.
How does the effect of the force differ in the two cases?
Which of the following is a contact force:
A force is needed to :
Name the S.I. unit of force and define it .
Explain the following:
Why do we jerk wet clothes before spreading them on a line?
Multiple Choice Question. Select the correct option.
A man is walking from east to west on a rough surface. The force on the man is directed:
The CGS unit of force is dyne:
∴1 N = __________ dyne
Does the force of gravitation exist between two astronauts in space?
Two persons are applying forces on two opposite sides of a moving cart. The cart still moves with the same speed in the same direction. What do you infer about the magnitudes and direction of the forces applied?