Question 1

A bike stopped on a hill may start to roll backward because of ....

Accepted Answer

an unbalanced force

Answer

a moving force

Answer

frictional force

Answer

a balanced force

Question 2

Two students are arm wrestling.  They are not moving because they are pushing

Accepted Answer

in the opposite direction with equal force

Answer

the same direction with unequal force

Answer

the same direction with equal force

Answer

the opposite direction with unequal force

Question 3

What is the net force of the object and which direction would it move?

Accepted Answer

17 N right

Answer

17 N left

Question 4

Which would cause a greater acceleration?

Accepted Answer

15 N of force on a 100 kg object

Answer

10 N of force on a 100 kg object

Answer

15 N of force on a 1000 kg object

Answer

10 N of force on a 1000 kg object

Question 5

What would make this a balanced force?

Accepted Answer

add 17 N to the left side

Answer

add 3 N to the left side

Answer

add 17 N to the right side

Answer

add 3 N to the right side

Question 6

A person throws a football 20 m and then a tennis ball the same distance.  Which requires more force and why?

Accepted Answer

the football because it has more mass

Answer

they require the same force

Answer

the tennis ball because it has less mass

Question 7

A cart with a mass of 100 kg accelerates when 10 N is applied.  If the mass is doubled, how much force s required for the same acceleration?

Accepted Answer

20 N

Answer

10 N

Answer

200 N

Answer

100 N

Question 8

In tennis, the action force is the racket hitting the ball.  What is the reaction force?

Accepted Answer

the ball hitting the racket

Answer

the racket flying in the air

Answer

the ball flying in the air

Question 9

What does Newton's first law state?

Accepted Answer

an object at rest will remain at rest until an unbalanced force is applied

Answer

an object in motion will increase in speed with a balanced force

Answer

an object in motion with stay in motion when the force is balanced

Question 10

A boy riding his bike hits a curb at 2 m/s.  The boy will

Accepted Answer

fall forward at a speed of 2 m/s

Answer

fall backward at a speed greater than 2 m/s

Answer

fall backward at a speed of 2 m/s

Answer

fall forward a speed greater than 2 m/s

Question 11

Friction is determined by the amount of force on the opposing surfaces and

Accepted Answer

the type of surface

Answer

the density

Answer

the temperature

Answer

the volume

Question 12

What surface has the least amount of friction?

Accepted Answer

ice

Answer

grass

Answer

carpet

Answer

tile floor

Question 13

What is used to calculate the speed of an object

Accepted Answer

distance and time

Answer

distance and acceleration

Answer

force and mass

Answer

mass and time

Question 14

Which of the following is not an example of acceleration?

Accepted Answer

continue to drive at the same speed

Answer

driving around a corner

Answer

increasing the sped of the car

Answer

slamming on the brakes

Question 15

A person is walking at a speed of 2 m/s.  How far will they walk in 15 minutes?

Accepted Answer

1800 m

Answer

900 m

Answer

60 m

Answer

30 m

Question 16

How long will it take a person to travel 4500 m at a speed of 3 m/s?

Accepted Answer

25 minutes

Answer

30 minutes

Answer

2 hours

Answer

1 hour

Question 17

What would require the greatest force?

Accepted Answer

moving a dresser across the room

Answer

pushing a wheelbarrow

Answer

throwing a ball

Answer

pushing a shopping cart

Question 18

Which person has the greatest inertia?

Accepted Answer

a 100 kg person standing still

Answer

a 100 kg person walking 2 m/s

Answer

a 20 kg dog running 6 m/s

Answer

a 60 kg person jogging 4 m/s

Question 19

What is Newton's 3rd Law Law?

Accepted Answer

for every action there is an equal and opposite reaction

Answer

objects in motion stay in motion and objects at rest stay at rest until acted upon by an unbalanced force

Answer

acceleration of an object depends on the mass and amount of force applied

Question 20

What is Newton's 1st Law?

Accepted Answer

objects in motion stay in motion and objects at rest stay at rest until acted upon by an unbalanced force

Answer

acceleration of an object depends on the mass and amount of force applied

Answer

for every action there is an equal and opposite reaction

Question 21

What is Newton's 2nd Law Law?

Accepted Answer

acceleration of an object depends on the mass and amount of force applied

Answer

objects in motion stay in motion and objects at rest stay at rest until acted upon by an unbalanced force

Answer

for every action there is an equal and opposite reaction

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