GK
PHYSICS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
You push a 10 kg cart and it accelerates at 2 m/s2. What force did you push with?
|
|
2 Newtons
|
|
|
5 Newtons
|
|
|
10 Newtons
|
|
|
20 Newtons
|
Explanation:
Detailed explanation-1: -By taking the formula F=m*a, and rearranging the make a the subject, we get a=F/m. Then by substituting in the values given we can work out that a=30/10=3. The units of acceleration are ms-2 so hence, the object will accelerate at 3ms-2.
Detailed explanation-2: -Hence, Acceleration =mF=105=0. 5m/s2.
There is 1 question to complete.