Balanced Forces Quiz

What happens to TweedleDee and TweedleDum when forces are balanced?

• They move upwards

• They move downwards

• They do not move

• They spin around

What happens when forces act in opposite directions?

• You add the smaller force to the larger one

• You subtract the smaller force from the larger one

• They multiply

• They form a net force of zero

Which of the following statements is true about net force?

• It is always zero

• It is the overall force acting on an object

• It is the smallest force acting on an object

• It is the force that acts in the opposite direction

What is the effect of unbalanced forces on an object at rest?

• The object remains at rest

• The object starts moving

• The object changes shape

• The object becomes lighter

Forces always come in what?

• Singles

• Pairs

• Groups of three

• Groups of four

According to Newton's Third Law, if a force is exerted on an object, what must occur?

• The object must move.

• An equal and opposite force must be exerted back.

• The object must change shape.

• The object must increase in speed.

In Newton's Third Law, what is the relationship between action and reaction forces?

• They are equal in magnitude and opposite in direction.

• They are unequal in magnitude and opposite in direction.

• They are equal in magnitude and same in direction.

• They are unequal in magnitude and same in direction.

How can paired forces be used to explain the results of the races?

• The starting blocks create a forward force that increases the runner’s speed as their front foot pushes against the block.

• When the blocks are not used, the balanced up and down forces of the ground and the runner’s feet create a faster pace.

• The runners’ feet are in a more natural position without the blocks, which allows an equal force from each of their feet on the ground and faster overall times.

• When using the blocks, the back feet of the runners are able to get more force on the ground faster, and the ground provides an equal force on the front foot.

What happens when using the blocks for the back feet of the runners?

• They get less force on the ground.

• They are able to get more force on the ground faster.

• They stay in the same position.

• They move backward.

What is the potential energy of an object at the top of a rollercoaster primarily due to?

• Its speed

• Its height

• Its color

• Its temperature