Somebody can take up object as heavy as 180N(newton) on the Earth.If he
lands on the Moon ,he can take up as heavy as
A.60N
B.120N
C.180N
D.240N
Please explain briefly!!! Thank you~~
2007-02-21 16:57:20 · 2 個解答 · 發問者 Anonymous in 科學 ➔ 其他：科學
The answer is C, 180N
The person can afford a force of 180N to lift a weight on earth. He still can only afford the same force when he is on the moon.
But the mass on earth and on the moon that he can take up differs.
2007-02-21 18:02:06 · answer #1 · answered by 天同 7 · 0⤊ 0⤋
D.240N
係月球係無地心吸力既,即係話一樣物件會相對地輕左(漂浮半空)
Somebody can take up object as heavy as 180N(newton) on the Earth.
So on the moon, he can take up sth. heavier than 180N, likes D. 240N only
2007-02-21 17:05:41 · answer #2 · answered by m. chan 3 · 0⤊ 0⤋