A bird cage, with a parrot inside, hangs from a scale. The parrot decides to hop
ID: 1593986 • Letter: A
Question
A bird cage, with a parrot inside, hangs from a scale. The parrot decides to hop from one perch to another (without flapping its wings). The total weight of the parrot and cage is 50 N. For the following questions, assume that the scale responds rapidly enough that it gives an accurate reading at every instant.
What is the reading on the scale before the parrot jumps?
a. 50 N.
b.more than 50 N.
c.less than 50 N.
What is the reading on the scale as the parrot starts its jump?
a. more than 50 N.
b.less than 50 N.
c.50 N.
What is the reading on the scale when the parrot is in the air?
a. 50 N.
b.more than 50 N.
c.less than 50 N.
What is the reading on the scale as the parrot lands on the other perch?
a. 50 N.
b. less than 50 N.
c.more than 50 N.
Explanation / Answer
What is the reading on the scale before the parrot jumps?
a. 50 N.
What is the reading on the scale as the parrot starts its jump?
a. more than 50 N.
What is the reading on the scale when the parrot is in the air?
c.less than 50 N.
What is the reading on the scale as the parrot lands on the other perch?
c.more than 50 N.