They are pushing on opposite sides against each other. The cart is moving forwards
Pulleys can be used to lift heavy objects that otherwise may not be able to be lifted. They reduce the amount of force it takes to lift a load.
Answer:
<em>Two</em><em> </em><em>sides</em><em> </em><em>and</em><em> </em><em>angle</em><em> </em><em>between</em><em> </em><em>them</em><em> </em><em>is</em><em> </em><em>given</em><em> </em>
The car would speed off twice as fast as the speed of the heavy truck provided the the collision is an elastic collision where there's no or little friction occurring within the scenario. Newton's law proves that an object with a greater mass can move objects of lesser mass at greater distances and speed.