Forces and Motion

What is the force that opposes the motion of objects sliding against each other?

• Slipperiness

• Attraction

• Friction

• Acceleration

Which force keeps us on the ground and causes objects to fall towards the Earth?

• gravity

• magnetism

• light

• friction

What is the tendency of objects to resist changes in their state of motion?

• Resistance

• Friction

• Inertia

• Acceleration

What is the formula to calculate speed?

• Speed = Distance / Time

• Speed = Distance * Time

• Speed = Time / Distance

• Speed = Distance - Time

What is a push or pull that can change the state of motion of an object?

• pull

• thrust

• momentum

• force

What is the change in position of an object over time?

• Speed

• Velocity

• Distance

• Acceleration

What property of matter determines the amount of inertia an object has?

• weight

• mass

• volume

• density

What term describes the speed of an object in a specific direction?

• Velocity

• Trajectory

• Speediness

• Directionality

If two toy trucks are pushed with the same force, Which one will move the longest distance?

• The one with more mass

• The one with less mass

• The mass will make no difference

What happens in a game of tug-a-war when both teams pull the rope with equal force and in opposite directions?

• The rope does not move

• Both teams move to the right

• Both teams move to the left

• Both teams fall down