Hi pupil Here's Your answer :::
➡➡➡➡➡➡➡➡➡➡➡➡➡
Student's justification is not correct. Two equal and opposite force cancel each other if the act on the same body. According to the third law of motion action and reaction forces are equal and opposite but they both act on different bodies. Hence, they cannot cancel each other.
When we push a message track, then the applied force on the truck is not sufficient to overcome the force of friction between the tyres of truck and ground, hence, truck does not move.
⬅⬅⬅⬅⬅⬅⬅⬅⬅⬅⬅⬅⬅
Hope this helps .
Answer:
Go in notifications, it'll show if it was answered. If it doesn't show that a person answered it, wait a while, someone might respond :)
Explanation:
On the Top right of your screen, theres a bell button. Click that and it will show all the notifications. it will also show if a person answered it.
It will pop up like
*random username* answered your question! ]
Hope this helped
Answer:
Your answer should be 2. Short
Explanation:
Choice-B is the true one.
Answer:
Their efforts would be expressed in units of Joules per second
Explanation:
The unit of their efforts can be derived from the formula of power which is given by the product of mass, acceleration and distance (the product is energy with unit joules) divided by time taken to complete the task (unit is seconds)
Therefore, the unit of their efforts would be joules per second
