Newton's Laws Review

What is the unit of force?

• Seconds

• Newtons

• Meters

• Kilograms

What is the net force when two forces of 2N and 5N act in opposite directions?

• 3N to the left

• 7N to the right

• 3N to the right

• 7N to the left

What is the term for forces that are equal in size and opposite in direction?

• Gravitational forces

• Frictional forces

• Balanced forces

• Unbalanced forces

What is the tendency of an object to resist a change in motion?

• Acceleration

• Gravity

• Inertia

• Friction

What is the force that opposes motion when two objects are in contact with each other?

• Momentum

• Air resistance

• Gravity

• Friction

What determines the amount of friction between two surfaces?

• Speed

• Size

• Shape

• All of the above

What is the maximum velocity a falling object will reach?

• Acceleration

• Terminal velocity

• Inertia

• Weight

What is the equation for Newton's second law of motion?

• F = mv

• F = ma

• p = mv

• F = mg

What is the force of gravity on an object called?

• Acceleration

• Weight

• Mass

• Friction

What is the law that states momentum is never created or destroyed in a collision?

• Law of Inertia

• Law of Universal Gravitation

• Newton's Third Law

• Law of Conservation of Momentum