Newton's Second Law

Question 1

A sled is moving down a steep hill. The mass of the sled is 50 kg and the net force acting on it is 20 N. What must be done to find the acceleration of the sled? Check all that apply.The force of gravity must be broken into its parallel and perpendicular components.Acceleration can be found by dividing the net force by mass.Acceleration can be found by multiplying the net force by mass.The magnitude of the force components must be multiplied by gravity. Trigonometry can be used to solve for the magnitude of the force components.Net force must be found before acceleration can be found.

Revolt · Accepted Answer

Acceleration can be found by dividing the net force by mass.

Question 2

[___] N

Revolt · Accepted Answer

299

Question 3

extinguisher flame retardant fire

Revolt · Accepted Answer

flame retardant; Selection 1: flame retardant; Selection 2: extinguisher; Selection 3: equal to; Selection 4: less than; Selection 5: greater than

Question 4

extinguisher flame retardant fire

Revolt · Accepted Answer

extinguisher

Question 5

unequal to equal to the inverse of

Revolt · Accepted Answer

equal to

Question 6

equal to greater than less than

Revolt · Accepted Answer

less than

Question 7

equal to greater than less than

Revolt · Accepted Answer

greater than

Question 8

What is the force that the boy is exerting? [___] N

Revolt · Accepted Answer

4.0

Question 9

What is the weight of the sled? [___] N

Revolt · Accepted Answer

101219; 101220; 294

Question 10

What is the normal force exerted on the sled? Round the answer to the nearest whole number. [___] N

Revolt · Accepted Answer

286

Newton's Second Law Answers

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