MOTION AND FORCE sinh class 10 physics notes chapter no 4 pdf download short question, long question, fill in the blanks, and MCQs.
MOTION AND FORCE
- Motion cannot be produced in body without force.
- No moving object can be stopped without applying force.
- The property of the matter by virtue of which it resists any attempt to change its state of rest or of uniform motion is called inertia.
- The acceleration produced in ab boy under the influence of an external force is directly proportional to the magnitude of the force.
- when external force act upon a body then it produces an acceleration in the body in its own direction.
- the quantity of matter in a body is called mass.
- the force which the earth attracts a body toward its Centre is called Weight o the body.
- every action has reaction, there are equal in magnitude but opposite in direction.
- the product of mass and velocity is called momentum.
- Rolling friction is much less than sliding friction
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