contestant in a winter sporting event pushes a 45.0-kg

Chapter 18, Problem 18PE

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QUESTION:

contestant in a winter sporting event pushes a 45.0-kg block of ice across a frozen lake as shown in Figure 5.23(a). (a) Calculate the minimum force ?F? he must exert to get the block moving. (b) What is the magnitude of its acceleration once it starts to move, if that force is maintained?

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QUESTION:

contestant in a winter sporting event pushes a 45.0-kg block of ice across a frozen lake as shown in Figure 5.23(a). (a) Calculate the minimum force ?F? he must exert to get the block moving. (b) What is the magnitude of its acceleration once it starts to move, if that force is maintained?

ANSWER:

Step-by-step solution Step 1 of 7 (a) Free body diagram in the Figure given below shows the force on the ice block,

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