Important questions for Motion for Grade VIII
- Define motion .
- Define rest .
- What is a reference point or a reference frame ?
- Define Scalar and Vector quantity with example .
- Define distance and displacement .
- What type of motion is the apple falling from the tree , why ?
- Define uniform motion .
- Define non-uniform or variable motion .
- What is meant by speed ? Write its formula .
- Define velocity . Write its unit and formula .
- What is acceleration ? Write its unit and formula .
- Derive v = u + at where symbols has their usual meaning .
- Define positive acceleration and negative acceleration (retardation) .
- Define uniform and non-uniform acceleration .
- What will be the acceleration of a body moving with uniform velocity , why ?
- A car is moving with 30 km/hr. What does it indicate speed or velocity , why ?
- Define relative motion .
- Define relative velocity .
- Light travels 3,00,000 km/s. Is it velocity or speed ?
Some useful links : Measurement and Unit Important questions | Grade VIII , summary of look at the tea cup- magic of words