Foster's Force and Motion Practice

According to Newton's first law of motion, an object at rest will remain at rest and an object in motion will continue moving at a constant velocity unless acted upon by an external force. True or False?

• False

• True

• Sometimes true

• Only for heavy objects

Which of Newton's laws of motion states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass?

• Newton's law of universal gravitation

• Newton's third law of motion

• Newton's first law of motion

• Newton's second law of motion

Friction is a force that opposes the motion of objects. True or False?

• True

• Friction only opposes the motion of some objects

• Friction is not a force

• False

Which type of friction occurs when an object moves across another object?

• Static friction

• Sliding friction

• Fluid friction or drag

• Rolling friction

Gravity is a force that pulls objects towards each other. True or False?

• False

• True

• Only in space

• Sometimes

The weight of an object depends on its mass and the acceleration due to gravity. True or False?

• True

• False

• Weight is determined by the object's volume

• Weight is determined by the object's color

Which of Newton's laws of motion states that for every action, there is an equal and opposite reaction?

• Newton's first law of motion

• Newton's third law of motion

• Newton's second law of motion

• Newton's law of universal gravitation

Which type of friction occurs when an object is not moving?

• kinetic friction

• rolling friction

• fluid friction

• static friction

The force of gravity on an object is also known as its ________.

• density

• volume

• mass

• weight

The sum of all forces acting on an object and direction is called the

• Balanced Force

• Net Force

• Unbalanced Force

• Contact Force