Unit 6 review energy forces motion | Baamboozle - Baamboozle

English 24 Public

energy forces motion

Study Slideshow

Which of the speed-time graphs shows an object accelerating from rest and then maintaining a constant speed.

Nancy pushes a stationary box with the force of 750 N to the left. Friction between the floor and the box exerts a force of 600 N. what will happen to the box? Provide direction and magnitude.

150 N to the left

describe the motion in graph B

constant speed

Describe the motion in graph D

acceleration - speeding up

what is the difference between the motion at A vs C?

A has a faster acceleration than C

What happens at B?

The object maintains a constant speed

a 50kg skateboarder is pushed by a friend with a force of 150N. What is the skateboarder's acceleration? Use the correct units.

3 m/s2

a hang glider experiences a net force of 250 N and accelerates at 2 m/s2. what is the hang glider's mass? include the units

125 kg

a 40 kg motorcycle accelerates at 5 m/s2. What force is needed to produce this acceleration? Include the unit.

200 N

Yohan rides his e-bike around town. Explain what is happening at the last part of his trip. describe motion and rate/speed.

he's going back home at a constant speed.

Liz is 60 m from home and walks at a steady pace of 4 m/s. How long will it take her to get home?

time = distance / speed so it will take 15 sec.

Jamie drove 340 miles from Mammoth to Los Angeles. It took her 5 hours. What was her average speed? include the units

speed = distance/ time so her 68 mph

James wants to Main Beach from TMS. It takes him 30 minutes at an average speed of 5 mph. How far is it?

distance = speed x time so 5mph x 0.5 hours = 2.5 miles

calculate the average acceleration of the last segment of this graph. use correct units.

-1.3 m/s2

What is the difference between the motion in these two graphs?

top = no motion/ stopped. bottom = constant speed.

explain how the motion in the first graph is different from all the other graphs.

the first graph is the only one that shows constant speed. the others accelerate.