Force and laws of motio
The rate of change of velocity per unit time is known as:
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Speed of a car is 25 m/s. How long will it take to cover the distance of 90 km?
An object undergoes an acceleration of 6m/s2starting from rest. Find the distance travelled in one second.
Upward force exerted by the fluid on the partially immersed solid in that fluid is called:
What is the acceleration produced by a force of 15 N exerted on an object of mass 5 kg?
What kind of motion it is if an athlete is moving on a circular track?
Which one of the following is called first equation of motion?
Match column I with column II and select the correct option.ColumnIColumnII(a) Flight of rockets (i) Inertia of direction(b)Functionofμdguardsoverthewheelsofamo→rbike(ii)I=rtiaofrest(c) Firing a bullet from gun (iii) Newton?s third law of motion(d)Dustpartic≤sfallwhenadurreeisbeatenwithastick(iv)Lawofconservationofl∈earmomentum.
Direction: Read the passage carefully and answer the following question.Anobjectofmass1.5kgtravell∈g∈astraightl∈ewithavelocityof5ms−1collideswithaw∞denblockofmass5kgrest∈gonthe⌊.⌋This object sticks with wooden block after collision and both move together in a straight line. The velocity of the combination of these objects after collision is