Exploring Forces and Their Effects

Which of the following is a type of contact force?

• Gravitational force

• Frictional force

• Magnetic force

• Electrostatic force

Which of the following is a type of non-contact force?

• Tension force

• Normal force

• Gravitational force

• Applied force

What is the effect of gravity on objects near the Earth's surface?

• Objects float

• Objects fall towards the Earth

• Objects move away from the Earth

• Objects remain stationary

What is friction?

• A force that opposes motion between two surfaces in contact

• A force that attracts objects towards each other

• A force that repels objects from each other

• A force that causes objects to move in a circular path

Which of the following is an application of friction?

• A car decelerating on a road

• A magnet attracting iron filings

• A ball falling to the ground

• A satellite orbiting the Earth

Which of the following is a type of contact force?

• Magnetic force

• Electrostatic force

• Tension force

• Gravitational force

Which of the following is a type of non-contact force?

• Frictional force

• Normal force

• Magnetic force

• Applied force

What is the effect of gravity on the Moon compared to the Earth?

• Gravity is stronger on the Moon

• Gravity is weaker on the Moon

• Gravity is the same on the Moon and Earth

• There is no gravity on the Moon

Which of the following is an example of a magnetic force in nature?

• The force that causes tides

• The force that causes lightning

• The force that causes a compass needle to point north

• The force that causes erosion

What is the effect of friction on a moving object?

• It speeds up the object

• It slows down the object

• It has no effect on the object

• It changes the direction of the object