Forces

Which of the following are contact forces?

• Gravitational Force

• Friction Force

• Magnetostatic Force

• Buoyant Force

Which law states that forces come in pairs but they act on different objects; they are equal in strength but opposite in direction.

• Newton's Law of Universal Gravitation

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

___________ is the tendency of objects to resist changes in velocity.

• Force

• System

• Equilibrium

• Inertia

_____________ is always directed perpendicular to and away from the surface

• Tension force

• Normal force

• Spring force

• Air resistance

______________ states that an object at rest will remain at rest and an object in motion will continue to move in a straight line with constant speed if the net force acting on the object is zero.

• Newton's Law of Universal Gravitation

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

A ______________ is a physical representation that shows the forces acting on an object.

• Free-body diagram

• Drag Force

• Gravitational Force

• Electromagnetic Force

Which of the following are the basic forces in nature (More than one answer)

• Electromagnetic Force

• Gravitational Force

• Thermal Energy

• Weak Nuclear force

• Strong Nuclear Force

If an object is on a surface and is not moving, aside from the normal force, what other force is acting on it, pulling the object downward?

• Air drag

• Normal Force

• Gravitational Force

• Applied Force

The force that is dircted parallel to the surface and opposite the direction of motion is _____________.

• Normal Force

• Gravity

• Spring Force

• Friction Force

__________ is the constant velocity that is reached when the drag force equals the force of gravity

• Drag Force

• Terminal Velocity

• Normal Force

• Equilibrium