Forces and Motion Quiz

What is the unit of force?

• Pascals

• Newtons

• Kilograms

• Joules

Which instrument is used to measure force?

• Barometer

• Voltmeter

• Thermometer

• Spring balance

Force is a ___________________ quantity

• Scalar

• Variable

• Vector

• Constant

What is the force of gravity acting on an object called?

• Friction

• Tension

• Mass

• Weight

Which of the following is a resistance force?

• Magnetic force

• Gravity

• Tension

• Air resistance

What happens to air resistance as the speed of an object increases?

• It decreases

• It remains constant

• It increases

• It becomes negligible

What is the relationship between mass and weight?

• Weight is independent of mass

• Weight is mass times acceleration due to gravity

• Mass is weight times gravity

• Mass and weight are the same

What does Hooke's Law state?

• Force is proportional to mass

• Pressure is proportional to area

• Weight is proportional to volume

• Extension is proportional to force

What is the center of gravity?

• The point where weight acts

• The heaviest part of an object

• The geometric center

• The point of maximum stability

What is pressure defined as?

• Force per unit area

• Force per unit volume

• Mass per unit area

• Weight per unit volume