You cannot exert a force on a wall A) unless the wall simultaneously exerts the

Question

You cannot exert a force on a wall A) unless the wall simultaneously exerts the same amount of force on you. B) unless you put your mind to it. C) if the wall resists. As ball's action force is the Earth's pull on the ball. The reaction force is the ball. A) ball's pull on Earth B) air resistance acting against the ball. C) acceleration of the ball. D) none of the above A pair of equal-length vectors at right angles to each other have a resultant. If the angle between the vectors is greater than 90 degree, their resultant is A) the same. B) less. C) greater. When a cannonball is fired from a cannon, which undergoes the greater acceleration? A) the recoiling cannon B) the cannonball C) both the same

Explanation / Answer

27) You cannot exert a force on a wall unless the an exerts an equal and equal force on you.

28) As a ball falls, the action force is the Earth's pull on the ball.The reaction force is the ball's pull on the Earth.

29) The resultant vector if the angle is more than 90 will be less.

30) The cannon ball undergoes greater acceleration as it is lighter than the cannon.

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