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प्रश्न
Give qualitative definition of force on the basic of Newton's first law of motion.
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उत्तर १
Force is that external cause which can move a stationary object or which can stop a moving object.
उत्तर २
According to Newton's first law force is that external agency which tends to change the state of rest or the state of motion of a body.
संबंधित प्रश्न
The driver of a three-wheeler moving with a speed of 36 km/h sees a child standing in the middle of the road and brings his vehicle to rest in 4.0 s just in time to save the child. What is the average retarding force on the vehicle? The mass of the three-wheeler is 400 kg and the mass of the driver is 65 kg.
The acceleration of a particle is zero, as measured from an inertial frame of reference. Can we conclude that no force acts on the particle?
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Give two examples of the following:
Inertia of rest
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Inertia of motion
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In the above given problem if the lower thread is pulled with a jerk, what happens?
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