12 13 14 15 16 17 18 19 20 21 Queation 9 10 11 Ports??? Assignment Submission Fo

Question

12 13 14 15 16 17 18 19 20 21 Queation 9 10 11 Ports??? Assignment Submission For this assigrment, you submit answers by question parts. The number of submissions nemaining for each question part only changes if you submit or change the answer Assignment Scoring Your best submission for each quession part is used for your score -1.b6 points 5.7.024. A 200 kg crate is pulled by a 100 N force along a horizontal I surface which produces a constant 50 N frictional force on the crate. What is the acceleration of the crate O0N 0.40 m/s 0.15 m/s2 0.65 m/'s 0.050 m/s 0.55 m/s Submit Answer Save Progress sx View Previous Question Question 8 of 22 View Next Question > Home My Assignments

Explanation / Answer

Using Force balance

In horizontal direction

Fnet = F*cos 37 deg - Ff

Ff = frictional force = 50 N

Fnet = m*a

m = 200 kg

a = ?

F = 100 N

m*a = F*cos 37 deg - Ff

a = (100*cos 37 deg - 50)/200

a = 0.149 m/sec^2 = 0.15 m/sec^2

Correct option is B.

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