Need needs to be correct !
1.which of the following objects exerts the greatest gravitational force?

a.
earth

b.
moon

c.
sun

2.if a car is traveling on a flat road at a constant speed of 60 miles per hour, the fricition that is exerted upon the car must be

a.
greater than the force pushing the car forward.

b.
equal to the weight of the car.

c.
greater than the weight of the car.

d.
equal to the force pushing the car forward.

3.forklifts are commonly used in warehouses to move heavy objects. the image above shows a forklift that has just lifted a large crate several feet upward off of a warehouse floor.
in order to lift the crate, the forklift had to apply force that was greater than force of gravity affecting the crate.

a.
an upward; the downward

b.
a downward; the upward

c.
zero; the equal