1.Friction is a force that pulls objects down to Earth's center.
A.True
B.False
2.Gravitational pull is less on the moon than on Earth.
A.True
B.False
3.if there is no air resistance, objects dropped from the same height will hit the ground at the same time
A.True
B.False
4. Isaac Newton observed that an apple falls from a tree because of gravity
A.True
B.False
5.The moon's gravitational pull causes seawater to rise that results in a low tide.
A.True
B.False