QUESTION 4 Based on your experience in lab, please answer the following question

Question

QUESTION 4 Based on your experience in lab, please answer the following question is the following statement true or false? The force sensor reading will be the same whether it pulls on the block parallel to the table or at an angle to the table True False QUESTION 5 Is the following statement true or false? The coefficient of static friction can only be used to calculate the maximum static friction force True False QUESTION 6 The tollowing numbers show the kinetic friction force on a mass being dragged on a horizontal surface Which of the following has the highest kinetic friction coefficient? O f,-10N; mass 10kg f,-40N; mass = 20kg fk=SN; mass = 1kg f,-10N; mass 5kg

Explanation / Answer

Answer are

4. False

5. True

6. fk =5N ; Mass=1kg

Explanation

4.Friction depend upon orientation of force. So friction give different value on different angle. Maximum value on parallel force and minimum value on perpendicular force.

5. Cofficient of friction is only used to find maximum value of Static friction.

6.Formula of friction (n) is

n=fk/mass

for first option n=1

for second n=2

For third option n=5(max.)

For fourth option n=2

Thanks

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