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M2.2 Newton's Laws

Total questions: 20

Worksheet time: 42mins

Name
Class
Date
1.

v represents

a)

volume

b)

velocity

c)

force

d)

acceleration

2.

A 5 kg block is pulled across a table by a net force of 32 N. Calculate the acceleration of the object. 

a)
32 ÷ 5
b)
5 ÷ 32
c)
32 x 5
3.

Which would hit a wall with a greater force, a car or bus with the same acceleration?

a)

car

b)

bus

c)

both the same

4.
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass and requires more force to accelerate.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
5.

A force of 250 N is applied to an object that accelerates at a rate of 5 m/s2.  What is the mass of the object? 

a)
250 ÷ 5
b)
5 ÷ 250
c)
250 x 5
6.

If a 10 kilogram object accelerates at 15 m/s2, how much force was applied to the object?

a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
7.
A 20 kg bike accelerates at 10 m/s2.  what was the force?
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
8.

An object is decelerating.

a)

Thrust and friction forces are equal and opposite

b)

Thrust force > Friction force

c)

Friction force > Thrust force

d)

Thrust and friction forces are equal and act in the same direction

9.

What is the net force in the horizontal direction?

a)

3200 N

b)

6400 N

c)

0 N

d)

12000 N

10.

This person bought coffee and put it on the seat in the car next to them. If they stopped quickly and the coffee spilled which law would that represent?

a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
11.
A person not wearing a seatbelt flies through a car window when someone slams on the breaks because the person’s body wants to remain in continuous motion even when the car stops.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
12.

Law of Inertia

a)

Newton's 1st law

b)

Newton's 2nd law

c)

Newton's 3rd law

d)

Law of conservation of momentum

13.
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)
a)

The one with a mass of 0.78 kg will have the greatest acceleration.

b)

The one with a mass of 0.52 kg will have the greatest acceleration.

c)
They will both accelerate at the same rate.
14.
Unbalanced forces make an object:
a)
Come to rest
b)
move at constant velocity
c)
accelerate
d)
explode
15.

m/s is a unit for

a)

mass

b)

force

c)

acceleration

d)

velocity

16.

Which law states that an object at rest stays at rest and an object in motion stays in motion unless an unbalanced force acts on it?

a)

1st Law

b)

2nd Law

c)

3rd Law

17.

Forces come in pairs

a)

Newton's 1st law

b)

Newton's 2nd law

c)

Newton's 3rd law

d)

Law of conservation of momentum

18.

F=ma

a)

Newton's 1st law

b)

Newton's 2nd law

c)

Newton's 3rd law

d)

Law of conservation of momentum

19.
What is the SI unit used to measure force? 
a)
pounds 
b)
grams 
c)
newtons 
d)
kg/ m2
20.

Which law states that for every action there is an equal and opposite reaction?

a)

1st Law

b)

2nd Law

c)

3rd Law