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प्रश्न
Fill in the following blank with suitable word :
When a stationary car starts suddenly, the passengers are jerked …………………..
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उत्तर
When a stationary car starts suddenly, the passengers are jerke backward.
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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.
Which of the two, balanced forces or unbalanced forces, can change the shape of an object ? Give an example to illustrate your answer.
Give reason for the following :
When a hanging carpet is beaten with a stick, the dust particles start coming out of it.
Give one example where a force moves a stationary body.
Give one example where a force stops a moving body.
A car is moving on a level road. If the driver turns off the engine of the car, the car’s speed decreases gradually and ultimately it comes to a stop. A student says that two forces act on the car which bring it to a stop. What could these forces be ? Which of these two forces contributes more to slow down and stop the car ?
What is the unit of force ?
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.
If we release a magnet held in our hand, it falls to the ground. The force which makes the magnet fall down is an example of :
A fielder pulls his hands backwards after catching the cricket ball. This enables the fielder to :
