Sometimes a Dream Needs a Push

What is the primary force that allows a wheelchair to move forward when pushed?

• Friction

• Gravity

• Magnetic force

• Applied force

Tags

NGSS.3-PS2-1

Which simple machine is most similar to the mechanism of a wheelchair ramp?

• Lever

• Pulley

• Inclined plane

• Wheel and axle

Tags

NGSS.MS-PS2-1

In physics, what is the term for the resistance encountered when one object moves over another?

• Inertia

• Friction

• Momentum

• Velocity

What is the role of gravity in the movement of a wheelchair on a ramp?

• It pulls the wheelchair down the ramp.

• It pushes the wheelchair up the ramp.

• It has no effect on the wheelchair.

• It balances the forces on the wheelchair.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which of the following best describes Newton's Third Law of Motion?

• An object in motion stays in motion.

• For every action, there is an equal and opposite reaction.

• Force equals mass times acceleration.

• Energy cannot be created or destroyed.

Tags

NGSS.MS-PS2-1

What type of energy transformation occurs when a person pushes a wheelchair up a ramp?

• Kinetic to potential energy

• Potential to kinetic energy

• Chemical to thermal energy

• Thermal to chemical energy

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5

Which part of the human body primarily provides the force needed to push a wheelchair?

• Leg muscles

• Arm muscles

• Back muscles

• Neck muscles

What is the scientific term for the rate of doing work or the rate of using energy?

• Power

• Force

• Energy

• Work

Which of the following is an example of a lever in the context of wheelchair mechanics?

• The wheel itself

• The brake handle

• The seat cushion

• The footrest

Tags

NGSS.MS-PS2-1

What is the main purpose of a wheelchair's braking system?

• To increase speed

• To reduce friction

• To stop or slow down the wheelchair

• To enhance comfort

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2