Grade 11 · Science · Physics

11th grade Momentum and impulse worksheet

6 printable versionsBuilding Confidence10 questions · answer keyFree · no account

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Momentum and impulse

Grade 11 Science Worksheet - Building Confidence

NameDate

Circle the best answer, or write your answer on the line.

What is the momentum of a 2 kg object moving at 3 m/s, Ari?
What is the momentum of a 4 kg object moving at 2.5 m/s, Bo?
What is the momentum of a 0.15 kg object moving at 20 m/s, Esme?
4.
In the momentum bar chart, which cart has more momentum, Jun?
- Cart B, since it is faster
- They are equal
- Cart A
5.
In the momentum bar chart, if cart B moved west at 4 m/s instead, what would its bar show, Luz?
Use the picture in question 4.
- 0 kg·m/s
- +4 kg·m/s, the same as now
- −4 kg·m/s, below zero
6.
Which has more momentum: a 1 kg cart at 10 m/s, or a 5 kg cart at 1 m/s, Milo?
- They are equal
- The 1 kg cart
- The 5 kg cart, since it is heavier
7.
How do the momenta of a 3 kg cart at 2 m/s and a 1 kg cart at 6 m/s compare, Noah?
- They are equal
- The 1 kg cart's is bigger, since it is faster
- The 3 kg cart's is bigger
8.
What is the momentum of a 5 kg cart parked on a track, Pia?
- 49 kg·m/s, its weight
- 0 kg·m/s
- 5 kg·m/s, its mass
9.
What does an impulse do to an object, Tala?
- Changes its mass
- Changes its momentum
- Keeps its momentum fixed
10.
A foam pad lets a rolling ball take longer to stop. What does that do to the force on the ball, Zee?
- It lowers it
- It has no effect
- It raises it

Momentum and impulse. Every version has 10 questions, and the answer key prints on the second page.

I can find momentum, p = mv, in kg·m/s, and compare objects by m × v, not by mass or speed alone. Momentum has a direction.
I can find impulse as J = FΔt (the area under a force-time graph) and know that it equals Δp.
I can find the change in momentum for a stop and for a bounce, and the average force F = Δp ÷ Δt.
I can explain soft bumpers: the same Δp over a longer time needs less force. A bounce needs more impulse than a stop.

Standard: HS-PS2-2

momentum: Mass × velocity: p = mv, in kg·m/s, with a direction

impulse: Force × time: J = FΔt, in N·s

change in momentum: Δp = momentum after − momentum before

average force: Δp ÷ Δt over the contact time

force-time graph: Force plotted against time; its area is the impulse

Your child added mass and speed. Momentum is mass × velocity, in kg·m/s.

Your child divided force by time. Impulse is force × time, in N·s.

Your child counted only the stopping part of a bounce. Bouncing back needs a second change of momentum, so add both speeds.

What is the most common mistake with momentum and impulse?

Your child added mass and speed. Momentum is mass × velocity, in kg·m/s.

Are these 11th grade science worksheets free to print?

Yes. All 6 printable versions at each level are free to print, with the answer key, and no account is needed.

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