Consider the 65.0-kg ice skater being pushed by two others shown in Figure 5.19. (a) Find the direction and magnitude of FtotFtot, the total force exerted on her by the others, given that the magnitudes F1F1 and F2F2 are 26.4 N and 18.6 N, respectively. (b) What is her initial acceleration if she is initially stationary and wearing steel-bladed skates that point in the direction of FtotFtot? (c) What is her acceleration assuming she is already moving in the direction of FtotFtot? (Remember that friction always acts in the direction opposite that of motion or attempted motion between surfaces in contact.)
Consider the 65.0-kg ice skater being pushed by two others shown in Figure 5.19. (a) Find the direction and magnitude of FtotFtot, the total force exerted on her by the others, given that the magnitudes F1F1 and F2F2 are 26.4 N and 18.6 N, respectively. (b) What is her initial acceleration if she is initially stationary and wearing steel-bladed skates that point in the direction of FtotFtot? (c) What is her acceleration assuming she is already moving in the direction of FtotFtot? (Remember that friction always acts in the direction opposite that of motion or attempted motion between surfaces in contact.)
Given:
The mass of the ice skater is 65 kg.
The magnitude of F1 is 26.4 N.
The magnitude of F2 is 18.6 N.
Consider the figure,
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