Question
A 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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Final Answer
1. $50\textrm{ N}$
2. $0.7 \textrm{ m/s}^2$
Solution Video

# OpenStax College Physics Solution, Chapter 5, Problem 18 (Problems & Exercises) (6:56)

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