Question

see the picture and answer the blanks no spam quality of answer expect from google. no wrong answers​

Answer 1

Explanation:

1. for experiment if we try to move a box without wheels on a rough surface it will be harder but if we attach wheels on box then it will be easier to move the box.

2.

• Petroleum Gas in Liquid form (LPG) - Fuel for home and industry

• Petrol - Motor fuel, aviation fuel, solvent for dry cleaning

• Kerosene - Fuel for stoves, lamps and for jet aircrafts

• Diesel - Fuel for heavy motor vehicles, electric generators

i hope it may help you

Answer 2

Answer:

Instead, a rotating wheel can make work easier by reducing the friction between an object and the surface over which it moves. A wheel reduces friction by allowing the contacting surfaces to roll rather than to drag or slide over each other.

Explanation:

Petroleum gas in liquid form (LPG)- Used as fuel for home and industry. Petrol- Used as fuel for automobile and aviation. Kerosene- Used as fuel for stoves, lamps and for jet aircrafts. Diesel- Used as fuel for heavy motor vehicles, electric generators.