Quiz: Forces, Motion, and Graphs

What does the gradient of a displacement-time graph represent?

• Acceleration
• Distance
• Velocity
• Force

Which of the following statements is true about a horizontal line on a velocity-time graph?

• The object is accelerating
• The object is moving at constant speed
• The object is stationary
• The object is decelerating

According to Newton's First Law, what will happen to an object at rest if no resultant force acts on it?

• It will start moving
• It will remain at rest
• It will accelerate
• It will change direction

What is the formula that represents Newton's Second Law of Motion?

• F = m + a
• F = m × a
• F = m / a
• F = a / m

Which type of force is responsible for keeping an object in orbit around the Earth?

• Frictional force
• Electrostatic force
• Gravitational force
• Magnetic force

What does the area under a velocity-time graph represent?

• Acceleration
• Force
• Distance travelled
• Mass

If an object is experiencing a net force of zero, what can be inferred about its motion?

• It is accelerating
• It is moving at constant velocity
• It is at rest
• Both b and c

Which of the following is a scalar quantity?

• Velocity
• Force
• Speed
• Acceleration

What is the unit of measurement for force?

• Kilograms
• Newtons
• Meters
• Joules

If an object is moving with a curved line on a displacement-time graph, what does this indicate?

• Constant speed
• Stationary
• Acceleration or deceleration
• Uniform motion