Advertisements
Advertisements
प्रश्न
Which of the following is a contact force:
विकल्प
Electrostatic force
Gravitational force
Frictional force
Magnetic force
उत्तर
Frictional force is a contact force.
APPEARS IN
संबंधित प्रश्न
A charged body ______ an uncharged body towards it.
The north pole of a magnet ______ the north pole of another magnet.
Give one example in each of the following cases where a force:
(i) Stops a moving body.
(ii) Moves a stationary body.
(iii) Changes the size of a body.
(iv) Changes the shape of a body.
Two equal and opposite forces act on a stationary body. Will the body move? Give a reason to your answer.
A car of mass 1000 kg develops a force of 500 N over a distance of 49 m. If initially, the car is at rest find
- Final velocity
- time for which it accelerates.
Multiple Choice Question. Select the correct option.
Action-reaction forces
What is the ratio of SI to CGs units of force?
Does the force of gravity act on dust particles?
Does the force of gravitation exist between two astronauts in space?
Figure shows a car sticking to an electromagnet. Name the forces acting on the car. Which one of them is larger?