The rocket sled shown in Figure 4.5 accelerates at a rate of 27.0 m/s2. Its passenger has a mass of 68.0 kg. (a) Calculate the horizontal component of the force the seat exerts against his body. N (forward) Compare this with his weight by giving a ratio. (force/weight) (b) Calculate the direction and magnitude of the total force the seat exerts against his body. ° (counterclockwise from the direction of the sled is positive) N

The rocket sled shown in Figure 4.5 accelerates at a rate of 27.0 m/s2. Its passenger has a mass of 68.0 kg. (a) Calculate the horizontal component of the force the seat exerts against his body. N (forward) Compare this with his weight by giving a ratio. (force/weight) (b) Calculate the direction and magnitude of the total force the seat exerts against his body. ° (counterclockwise from the direction of the sled is positive) N

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter5: Newton's Laws Of Motion

Section: Chapter Questions

Problem 74PQ: Starting from rest, a rectangular toy block with mass 300 g slides in 1.30 s all the way across a...

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

Question

The rocket sled shown in Figure 4.5 accelerates at a rate of 27.0 m/s². Its passenger has a mass of 68.0 kg.

(a) Calculate the horizontal component of the force the seat exerts against his body.
N (forward)
Compare this with his weight by giving a ratio.

(force/weight)

(b) Calculate the direction and magnitude of the total force the seat exerts against his body.
° (counterclockwise from the direction of the sled is positive)
N

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