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Natasha_Volkova [10]
3 years ago
12

What are the size and direction of the force that is the sum of a force of 3 n acting south and a force of 6 n acting north?

Physics
1 answer:
V125BC [204]3 years ago
4 0
The resultant force is 3 N north.
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A crate lies on a plane tilted at an angle θ = 22.5 ∘ to the horizontal, with μk = 0.19.
ValentinkaMS [17]

A) 2.03 m/s^2

Let's start by writing the equation of the forces along the directions parallel and perpendicular to the incline:

Parallel:

mg sin \theta - \mu_k R = ma (1)

where

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B) 5.94 m/s

We can solve this part by using the suvat equation

v^2-u^2=2as

where

v is the final velocity

u is the initial velocity

a is the acceleration

s is the displacement

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v = ?

u = 0 (it starts from rest)

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s = 8.70 m

Solving for v,

v=\sqrt{u^2+2as}=\sqrt{0+2(2.03)(8.70)}=5.94 m/s

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Explanation:

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Answer:d

Explanation:

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