Question

1 force generated by moving or non living materials is called____________
2 give two example of contract force
3 name the scientist who invented a pump to extract air from a vessal
4 name the force which acts upon another body without any connector
5 name the two type of following
i to pick your school bag
ii to collect scrap iron from garbage
iii to push or pull a lorded trolley at supermarket
iv flying of seeds away from each other in plastic bag when gently rubbed
6 name the device used to measure in fluid
7 how much force is required to lift a mass of 1 Kg (10 n/1 n)
8 a rolling ball stops after some time due to
9

Answer 1

2. Moving car. The train or repulsion of magnet
4 non contact force

Answer 2

2.a cricket players hit the ball