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`        A man using a 70kg garden roller on a level surface exerts a force of 200 N at 45 degree to the ground.What is the vertical force of the roller on the ground,if he pushes the roller?	70N	560N	840N	200N`
one year ago

## Answers : (1)

Arun
22987 Points
```							Dear Ashwin The force of the roller is the weight plus the vertical component of the gardener force W = 70kg * 10m/s^2 = 700 N G = +/- 200N * sin(45) = +/- 141 N When he pulls, G is negative and F = 700N - 141N = 559 N When he push, G is positive and F = 700N +141N = 841 N  RegardsArun (askIITians forum expert)
```
one year ago
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