3NT Chapter 3 Effects of Forces Part II

3NT Chapter 3 Effects of Forces Part II

Multiple Choice

A stopwatch is used to time a runner in a race. The diagrams show the stopwatch at the start and at the end of a lap of the race.

How long did the runner take to finish the lap of the race?

• 50.00 seconds

• 50.10 seconds

• 90.00 seconds

• 100.10 seconds

Multiple Choice

The diagram shows part of a ruler. The ruler is used to find the length of a nail.

What is the length of the nail?

• 2.2 cm

• 2.7 cm

• 3.2 cm

• 3.7 cm

Multiple Choice

The diagram shows a measuring cylinder used to measure the volume of a small stone.

What is the volume of the stone?

• 8 cm³

• 9 cm³

• 14 cm³

• 26 cm³

Multiple Choice

Which option contains only apparatus that could be used to determine the volume of a small block of unknown material?

• measuring cylinder, metre rule

• measuring cylinder, stopwatch

• metre rule, balance

• metre rule, stopwatch

Multiple Choice

The diagram shows four identical spheres placed between two wooden blocks on a ruler.

What is the diameter of one sphere?

• 1.0 cm

• 2.0 cm

• 3.0 cm

• 4.0 cm

Multiple Choice

The diagram shows an enlarged drawing of the end of a metre rule. It is being used to measure the length of a small feather.

What is the length of the feather?

• 19 mm

• 29 mm

• 19 cm

• 29 cm

Multiple Choice

How many minutes are in an hour?

• 10

• 60

• 25

• 30

Multiple Choice

How many seconds are in a minute?

• 10

• 30

• 60

• 25

Multiple Choice

Which of the following is a unit of time?

• sec
• mi
• m/s
• km

Multiple Choice

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

Multiple Choice

Akela rode her bike 48 km for 3 hours, she rested for 1/2 an hour and then rode another 24 km for 1 hours. What was her average speed?

• 16 km/hr
• 18 km/hr
• 40 km/hr
• 4.5 km/hr

Multiple Choice

Akela rode her bike 48 km for 3 hours, she rested for 1/2 an hour and then rode another 24 km for 1 hours. What was the total distance she rode on her bike?

• 24 km
• 72 km
• 48 km
• 76 km

Multiple Choice

Akela rode her bike 48 km for 3 hours, she rested for 1/2 an hour and then rode another 24 km for 1 hours. What was the total time she spend on her bike ride? (Remember, stops count!)

• 24 hours
• 48 hours
• 4 hours
• 4.5 hours

Multiple Choice

Grace drove her mom's car for 70 km and it took her 120 minutes.  What was her average speed in km/hr?

• .58 km/min
• 35 km/hr
• 8400 km/min
• 3.5 km/hr

Multiple Choice

Kelsey ran 130 m in 15 seconds, then she ran 310 m in 25 seconds. What was Kelsey's average speed in m/s?

• 12.4 m/s
• 8.67 m/s
• 11 m/s
• 10 m/s

Multiple Choice

A bus carrying Ava's friends to a soccer game traveled 10 km in 30 minutes. What was the average speed of the bus in km/hr?

• 300 km/hr
• .33 km/hr
• 20 km/hr

Multiple Choice

A bus carrying Ava's friends to a soccer game traveled 10 km in 30 minutes. To determine the average speed of the bus in km/hr, your first step would be to __________?

• convert speed to distance
• convert minutes to hours
• convert hours to seconds
• convert seconds to hours

Multiple Choice

How long would it take a bus traveling at 50 km/h to travel 125 km?

• 6,250 hours
• 2.5 km
• 2.5 hours
• 6,250 km

Multiple Choice

What happened during C to D point?

• not moving
• increasing speed at a constant rate
• moving at a constant speed
• moving at 0 m/s² acceleration

Multiple Choice

Which section of the graph shows acceleration?

• AB
• BC
• EF
• FG

Multiple Choice

Which graph represents zero acceleration (constant velocity)?

• A
• B
• C
• D

Multiple Choice

The picture of the position vs. time graph shows an object that is...

• accelerating/speeding up
• moving at a constant speed 
• not moving 
• accelerating/slowing down. 

Multiple Choice

A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?

• 24 m/s²
• 18 m/s²
• 16 m/s²
• 16 m/s

Multiple Choice

A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest.  Find the acceleration.

• 30 m/s
• 24 m/s²
• 9 m/s²
• 81 km/hr