Question

pls hlp me with dis qustn

Answer 1

First let's write down some important formulas this is important for every Physics problem

Work Done = Force × Displacement

Force = Mass x Acceleration

Fiction = Normal × M(Myu)

Work Done = Fcostheta into 20m

Fsintheta is normal reaction so it must be 50N then we find F=50√2

Fcostheta is 50. This is work done. But a force of friction is also acting so we need to subtract it.

Friction = Normal x Myu

= 50N × 0.2 = 10N

Answer is 40N

Answer 2

here is your answer

50 N × 0.2 =10 N

therefore the answer is 40 N

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