4.1: Suppose you have two carts, A and B. Both are made of the same material, and B is more massive (heavier) than A. There is a string connecting carts A and B. With your hand, you pull cart A to the left. Both carts speed up as you pull them. This system is pictured below. (mɛ > ma) PULL B 4.1.1: First, consider the case where there is no friction between the table and the cart A. Draw two separate free body diagrams – one for cart A and one for cart B. Label the forces in the form "FB-on-A", for example, if the force is exerted by object B and felt by object A. 4.1.2: Now consider the third-law pairs of each force in the free-body diagrams you drew. Make a table with each force in one column and write its third-law pair in the neighboring column. Which should be the greater force: FB-on-A or FA-on-B?

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Suppose you have two carts, A and B. Both are made of the same material, and B is more massive (heavier) than A. There is a string connecting carts A and B. With your hand, you pull cart A to the left. Both carts speed up as you pull them. This system is pictured below.

    a.First, consider the case where there is no friction between the table and the cart A. Draw two separate free body diagrams – one for cart A and one for cart B. Label the forces in the form “FB-on-A”, for example, if the force is exerted by object B and felt by object A.

    b.Now consider the third-law pairs of each force in the free-body diagrams you drew. Make a table with each force in one column and write its third-law pair in the neighboring column. Which should be the greater force: FB-on-A or FA-on-B?

4.1: Suppose you have two carts, A and B. Both are made of the same material,
and B is more massive (heavier) than A. There is a string connecting carts A
and B. With your hand, you pull cart A to the left. Both carts speed up as
you pull them. This system is pictured below.
(ms > ma)
A
FOULL
7///////
B
4.1.1: First, consider the case where there is no friction between the table
and the cart A. Draw two separate free body diagrams – one for cart
A and one for cart B. Label the forces in the form "FB-on-A", for
example, if the force is exerted by object B and felt by object A.
4.1.2: Now consider the third-law pairs of each force in the free-body
diagrams you drew. Make a table with each force in one column and
write its third-law pair in the neighboring column. Which should be
the greater force: FB-on-A or FA-on-B?
Transcribed Image Text:4.1: Suppose you have two carts, A and B. Both are made of the same material, and B is more massive (heavier) than A. There is a string connecting carts A and B. With your hand, you pull cart A to the left. Both carts speed up as you pull them. This system is pictured below. (ms > ma) A FOULL 7/////// B 4.1.1: First, consider the case where there is no friction between the table and the cart A. Draw two separate free body diagrams – one for cart A and one for cart B. Label the forces in the form "FB-on-A", for example, if the force is exerted by object B and felt by object A. 4.1.2: Now consider the third-law pairs of each force in the free-body diagrams you drew. Make a table with each force in one column and write its third-law pair in the neighboring column. Which should be the greater force: FB-on-A or FA-on-B?
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