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Forces and Motion

Total questions: 22

Worksheet time: 19mins

Name
Class
Date
1.

a combination of all forces acting on an object

a)

inertia

b)

unbalanced force

c)

friction

d)

net force

e)

mass

2.

force that opposes the motion of any object

a)

inertia

b)

unbalanced force

c)

friction

d)

mass

e)

net force

3.

an object's motion will not change unless an unbalanced force acts on it

a)

law of inertia

b)

friction

c)

unbalanced force

d)

mass

e)

net force

4.

Gravity is a ___________

a)

velocity

b)

speed

c)

force

d)

weight

5.

If an equal force acts on each of the following objects, which will have the greatest acceleration?

a)

a golf ball

b)

a soccer ball

c)

a football

d)

a baseball

6.

Which of the following is NOT a force?

a)

Newton

b)

Gravity

c)

Friction

d)

Intertia

7.

An object's velocity will not change unless it is acted on by a(n)

a)

net force

b)

strong force

c)

unbalanced force

d)

opposite but equal force

8.

if two arm wrestlers exert a force on each other's hands, and the hand's don't move, the forces must be

a)

weak

b)

strong

c)

balanaced

d)

unbalanced

9.

Do two skaters traveling in different directions at the same speed have the same velocity?

a)

No, directions are different

b)

No, skaters are different

c)

Yes, same speed

d)

Yes, acceleration is the same

10.

A pull or push that acts on an object is called a(n)

a)

Gravity

b)

Speed

c)

Acceleration

d)

Force

11.
What simple machine can be used to split things apart and also it can hold open a door?
a)
Lever
b)
Pulley
c)
Wedge
d)
Screw
12.
What simple machine holds things together?
a)
Wedge
b)
Screw
c)
Lever
d)
Pulley
13.
What simple machine has a fulcrum and can be used to lift a weight?
a)
Pulley
b)
lever
c)
screw
d)
wedge
14.
What simple machine has a wheel with a groove on it that keeps a rope in place?
a)
pulley
b)
lever
lever
c)
screw
wedge
d)
wedge
screw
15.
Which simple machine is made up of two parts and can be found on bikes, wagons and wheelbarrows?
a)
wheel and axle
b)
inclined plane
c)
lever
d)
screw
16.
Which simple machine doesn't move and a heavy object can be rolled or pushed up this machine?
a)
wheel and axle
b)
inclined plane
c)
wedge
d)
screw
17.
What kind of work is made easier by the wheels of this object?
a)
pushing a heavy load
b)
lifting a heavy load
c)
dividing a heavy load
d)
holding a small load
18.
A machine with few or no moving parts is called a ______.
a)
machine
b)
compound machine
c)
simple machine
d)
work
19.
What is anything that makes work easier called?
a)
screw
b)
wedge
c)
force
d)
machine
20.
Work is
a)
energy from the sun
b)
a force that moves an object
c)
a type of machine
d)
a force that pulls you towards the Earth
21.
Which of these is not an example of an inclined plane?
a)
ladder
b)
stairs
c)
wall
d)
driveway
22.
Which is a characteristic of simple machines?
a)
they run on electricity
b)
they take a long time to make
c)
they have few or not moving parts
d)
they are not very large