Rocket Test 2019

The amount of thrust (force) produced by the rocket engines needs to be __________ than the force of gravity holding it down.

• Equal
• Greater
• Less

Tags

NGSS.3-PS2-1

NGSS.5-PS2-1

Relating to Newton’s Third Law, action and reaction, what is the reaction when a rocket expels gas, smoke and flames from the nozzle end of the rocket engine?

• Nothing
• Propels in the opposite direction
• Creates a balanced force
• Creates friction

Tags

NGSS.3-PS2-1

What part of the water rocket has the greatest impact on stability?

• Fins
• Nose Cone
• Pressure Vessel

As the speed of the rocket increases, the distance

• remains the same.

• increases.

• decreases.

• is balanced.

Which of these shapes would be aerodynamic?

• Square

• Cone

An image of a model rocket and forces is shown. Assuming the only two forces on the rocket are lift and gravity, which of the following combinations would result in the rocket moving upward?

• Lift = 5N / gravity =5 N

• Lift 3 N / gravity = 4 N

• Lift 5 N / gravity = 4 N

• Lift 4 N / gravity 4 N

The illustration represents the motion of a model rocket. How many seconds did it take for the rocket to reach its highest point?

• 2 seconds

• 5 seconds

• 8 seconds

• 10 seconds

A box and forces are shown below.

A box rests motionless on the ground. A student is pushing the box to the left wit a force of 5 N. The force of friction opposes the student's force with a magnitude of 2 N. In which direction and with what type of speed will the box move?

• It will move left at a constant speed

• It will move left at an increasing speed

• It will move right at a constant speed

• It will move right at an increasing speed.

I want to get the most thrust from my rocket. What kind of nozzle do I need?

• A narrow nozzle

• A wide nozzle

• It doesn't matter

The force supplied by the rocket engine must be sufficient to overcome...

• Launch

• Gravity

• Newton's 3rd Launch