Online Test physics 08

1.The centre of gravity of an object on slight tilting is lightly raised and the object returns to its original position when the tilting force is removed. Then the object is in

2.Newton’s second law of motion enables the measurement of

3.A body under the action of a force increases its momentum by 50 kg/m/s in 5 s. The force acting on the body is

4.From Newton’s first law of motion, we can define

5.Who discovered that the free fall acceleration is the same for any object at a given place?

6.A body acted on by an unbalanced force of 10 N accelerates 0.5 m/s2 the mass of the body is

7.A body falls from a height for 5 seconds. Its velocity then is

8.A stationary elevated object has

9.One applying a constant force to a mass, it moves with an uniform

10.An object weighing 50 g is whirled round in a circle of radius 2 meters with a constant speed of 10 m/s. the centripetal force required to keep the body circling is

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