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प्रश्न
What is the unit of force ?
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उत्तर
Newton is the unit of force.
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संबंधित प्रश्न
An object experiences a net zero external unbalanced force. Is it possible for the object to be travelling with a non-zero velocity? If yes, state the conditions that must be placed on the magnitude and direction of the velocity. If no, provide a reason.
What is the usual name of the forces which cannot produce motion in a body but only change its shape ?
Name the unbalanced force which slows down a moving bicycle when we stop pedalling it.
State whether the following statement is true or false :
Unbalanced forces acting on a body change its shape.
Fill in the following blank with suitable word :
When a stationary car starts suddenly, the passengers are jerked …………………..
Give one example where a force changes the direction of a moving body.
What happens to the passengers travelling in a bus when the bus takes a sharp turn ? Give reasons for your answer.
What is the relationship between force and acceleration ?
A 1000 kg vehicle moving with a speed of 20 m/s is brought to rest in a distance of 50 metres :
(i) Find the acceleration.
(ii) Calculate the unbalanced force acting on the vehicle.
When we talk of a force acting on a body, it usually means :
