解题思路:
(1)根据牛顿第二定律
F
=
m
a
物体的加速度
a
=
=
m
/
s
2
=
"
5
"
m
/
s
2
(2)物体在
t
=
"
2
"
s
内位移的大小
x
=
=
5
×
2
2
=
"
10
"
m
(1) 5 m/s 2
(2) 10 m
<>
解题思路:
(1)根据牛顿第二定律
F
=
m
a
物体的加速度
a
=
=
m
/
s
2
=
"
5
"
m
/
s
2
(2)物体在
t
=
"
2
"
s
内位移的大小
x
=
=
5
×
2
2
=
"
10
"
m
(1) 5 m/s 2
(2) 10 m
<>