Consider the 65.0 kg ice skater being pushed by two others shown in the figure. Free-body diagram (0) Find the direction (in degrees) and magnitude (in N) of Ftot, the total force exerted on her by the others, given that the magnitudes F, and F2 are 20.0 N and 17.4 N, respectively. (counterclockwise from the direction of F, is positive) direction magnitude N (b) What is her initial acceleration (in m/s2) if she is initially stationary and wearing steel-bladed skates that point in the direction of Ftot? (e) What is her acceleration (in m/s2) assuming she is already moving in the direction of Frot? Remember that friction is always in the opposite direction of motion or attempted motion between surfaces in contact. m/s2 (in the direction of F.)
Consider the 65.0 kg ice skater being pushed by two others shown in the figure. Free-body diagram (0) Find the direction (in degrees) and magnitude (in N) of Ftot, the total force exerted on her by the others, given that the magnitudes F, and F2 are 20.0 N and 17.4 N, respectively. (counterclockwise from the direction of F, is positive) direction magnitude N (b) What is her initial acceleration (in m/s2) if she is initially stationary and wearing steel-bladed skates that point in the direction of Ftot? (e) What is her acceleration (in m/s2) assuming she is already moving in the direction of Frot? Remember that friction is always in the opposite direction of motion or attempted motion between surfaces in contact. m/s2 (in the direction of F.)
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Transcribed Image Text:Consider the 65.0 kg ice skater being pushed by two others shown in the
figure.
Fot
Free-body diagram
(a) Find the direction (in degrees) and magnitude (in N) of Frot, the total
force exerted on her by the others, given that the magnitudes F, and F2
are 20.0 N and 17.4 N, respectively.
° (counterclockwise from the direction of F, is positive)
direction
magnitude
N
(b) What is her initial acceleration (in m/s2) if she is initially stationary and
wearing steel-bladed skates that point in the direction of Frot?
(e) What is her acceleration (in m/s2) assuming she is already moving in the
direction of Frot? Remember that friction is always in the opposite
direction of motion or attempted motion between surfaces in contact.
m/s2 (in the direction of F,ot)
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