Dynamics Quiz 1

Which of the following is a contact force?

• Gravitational force

• Electrostatic force

• Magnetic force

• Normal force

Which of the following properties of an object cannot be changed by applying a force?

• Mass

• Shape

• Volume

• State of rest or motion

Which of the following is the SI unit of force?

• Metre

• Second

• Newton

• Kilogram

Three forces act on an object as shown. What is the value of the resultant force acting on the object?

• 1.0 N

• 5.0 N

• 7.0 N

• 17.0 N

Which of the following will not happen when there is a non-zero resultant force acting on the object?

• The object moves at a constant velocity.

• The object moves faster.

• The object moves slower.

• The object changes direction.