Question

1 define momentoum of a body. Is OT a scalar or vector quantity? What is the SI unit of momentum?
2 Name the physical quantity which is the combined effect of mass and velocity.
3 Which of the following has more inertia a rubber ball and a stone of the same size, a bicycle and a scooter?
4 why is Newton's first law of motion also called law of inertia?
5 a body at rest opposes the forces which try to move it. Name the property called and give and example. ​

Answer 1

1. product of mass and velocity.vector Quantity.
2. momentum
3. stone of the same size I think.
4. it states that an object can only be moved by a external force and not by itself.
5. inertia. you can write any of the examples from the third question.