Unit 7 Forces

Fill in the blank: A _______ is a push or a pull that can cause an object to move, stop, or change direction.

• Force

• Energy

• Mass

• Velocity

Fill in the blank: _______ is the size or amount of a force, usually measured in Newtons (N).

• Magnitude

• Direction

• Velocity

• Mass

Fill in the blank: _______ are forces that are equal in size but opposite in direction, causing no change in motion.

• Balanced Force

• Unbalanced Force

• Gravitational Force

• Frictional Force

Fill in the blank: _______ are forces that are not equal, causing an object to start moving, stop moving, or change direction.

• Unbalanced Force

• Balanced Force

• Gravitational Force

• Frictional Force

Fill in the blank: _______ is the total force acting on an object after all forces are combined.

• Net Force

• Gravitational Force

• Frictional Force

• Magnetic Force

Fill in the blank: _______ is the support force exerted by a surface on an object resting on it.

• Normal Force

• Frictional Force

• Gravitational Force

• Tension Force

Fill in the blank: _______ is a force that is applied to an object by a person or another object.

• Applied Force

• Gravitational Force

• Magnetic Force

• Frictional Force

Fill in the blank: _______ is a pulling force exerted by a rope, string, or cable when it is stretched.

• Tension

• Compression

• Friction

• Gravity

Fill in the blank: _______ is a force that pulls objects toward each other; Earth's gravity pulls objects toward its center.

• Gravitational Force

• Magnetic Force

• Electromagnetic Force

• Nuclear Force

Fill in the blank: _______ is the force of gravity acting on an object’s mass (measured in Newtons).

• Weight

• Mass

• Volume

• Density