Question

Numericals :-
1. A boy does a work of 1000 J in dragging a sack of wheat through a distance of 20m. What is
the magnitude of force applied by the boy?
2. A wooden cylinder of length 14cm has a diameter of 8cm. What is the volume of the
cylinder?
3. A motorcycle is running at constant speed of 15 m/s. How much distance will it cover in 45
seconds?
4. A body covers 20 m in first second, 25 m in second and 45 m in third second. What is the
average speed of the body?

PLZ ANSWER FAST

Answer 1

Answer:

The velocity of an object is the rate of change of its position with respect to a frame of reference,and is a function of time. Velocity is a physical vector quantity; both magnitude and direction are needed to define it..

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