An inclined plane is 100m long and at an angle of 20°to the horizontal the AMA of the slope is two. calculate a.)the effort required to push a7200N block up the slope
b) the ideal mechanical advantage

c) the efficiency of the slope

If football was tossed in air without gravity or friction the ball would go into space

The modern-day generator works on the principle of electromagnetic induction discovered by michael faraday in 1831-32. faraday discovered that the above flow of electric charges could be induced by moving an electrical conductor, such as a wire that contains electric charges, in a magnetic field.

The upward force acting on the wing of a airplane in flight is known as the "lift" force. (d)