physic

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The weight of a man on earth is 800N. He lands on a planet where his weight is 400n. The acceleration due to gravity on this planet is?

A 500 newton force was applied on a weight of 100kg to lift it up. What was the work done?

Which quantity will not be affect the acceleration?

After accelerating gradually, a body reaches 30m/s after 40 seconds. It then come to rest after 60 another seconds. How far did it travelled?

The reading from a car's speedometer at a particular moment in time is best described as the car's_______?

Improperly installed air conditioners can occasionally fall from apartment windows. How long does a pedestrain have to get out of the way of an air conditioner failing from 24m?

A weight on planet X shows 60N on a spring balance. What is it's reading on spring balance?

A car of 10000n moved 1000 metre in 100 sec. What is the work done?