Forces Quiz

What is the force that opposes the motion of an object when it is in contact with another object?

• friction

• inertia

• velocity

• gravity

What are the two factors that affect the force of friction?

• Nature of the surfaces and force pressing the surfaces together

• Weight of the object and speed of the object

• Material of the surfaces and distance between the surfaces

• Color of the surfaces and temperature of the environment

What is the unit of measurement for friction?

• Newton

• Kilogram

• Second

• Meter

What is the force that pulls objects towards the center of the Earth?

• wind

• friction

• gravity

• magnetism

What is the acceleration due to gravity on the surface of the Earth?

• 5.67 m/s^2

• 12.34 m/s^2

• 9.81 m/s^2

• 3.22 m/s^2

What is the difference between mass and weight?

• Mass is the force exerted on an object, while weight is the amount of matter in an object.

• Mass is measured in pounds, while weight is measured in kilograms.

• Mass and weight are the same thing.

• Mass is the amount of matter in an object, while weight is the force exerted on an object due to gravity.

What is the force that attracts or repels objects?

• electromagnetic force

• nuclear force

• frictional force

• gravitational force

What are the two types of magnetic poles?

• East and West poles

• Positive and Negative poles

• Up and Down poles

• North and South poles

What is the SI unit of magnetic field strength?

• joule (J)

• tesla (T)

• ampere (A)

• watt (W)

What is the upward force exerted by a fluid on an object immersed in it?

• Friction force

• Tension force

• Gravity force

• Buoyant force