1.Explain why wrenches are useful for turning tight bolts 2.Explain how a wheelbarrow is useful for carrying heavy loads (they can be given help by telling them that the wheel is where the pivot is and their hands are further away than the load so have a larger force.

*30 points + brainliest answer* gravity is pulling an object into the sun. the closer the object gets to the sun, the greater the gravitational force that acts on the object, increasing its acceleration. a line graph plotting the speed of the object against time would have which shape? a: straight line of positive slope b: curved line that slopes upward c: curved line that slopes downward d: straight line of negative slope