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04 Inertia Review

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

A 4.00 kg mass hangs from the ceiling, supported by a cable. What forces act on the mass?

a)

Gravity

b)

Tension

c)

Normal

d)

Air resistance

2.

A book rests on a table. What forces act on it?

a)

Gravity

b)

Tension

c)

Normal

d)

Air resistance

3.

A parachutist fall through the air. What forces act on her?

a)

Gravity

b)

Tension

c)

Normal

d)

Air resistance

4.

True or false - its possible to have a force diagram without gravity

a)

True

b)

False

5.

A block lies on an incline, held in place by a string. What forces act on it?

a)

Gravity

b)

Tension

c)

Normal

d)

Air resistance

6.

A block lies on an incline, motionless. What forces act on it?

a)

Gravity

b)

Tension

c)

Normal

d)

Friction

7.

You throw a ball in the air. What forces act on it (ignore air resistance)?

a)

Gravity

b)

Tension

c)

Normal

d)

Air resistance

8.

A book lying on a table has a normal force of 10N, and a coefficient of friction of 0.5. What is the force of friction?

a)

2.5N

b)

5N

c)

10N

d)

Not enough information to answer

9.

A Mini Cooper car has a mass of 1300 kg. A Ford F350 truck has a mass of 7700 kg. Which vehicle has more inertia?

a)

Ford F350 because it has more mass

b)

Mini Cooper, because it has less mass

c)

Not enough information is given

10.

The Earth exerts a force downward on you. What is the 3rd Law of Motion reaction force?

a)

You exert a downward force on the Earth

b)

You exert an upward force on the Earth

c)

The Earth exerts an upward force on you

d)

Not enough information given

11.

A force that acts between any two objects due to their mass

a)

Gravity

b)

Electromagnetic

c)

Normal

d)

Tension

12.

A force that acts between any two objects due to their charge

a)

Gravity

b)

Electromagnetic

c)

Normal

d)

Tension

13.

A force that acts perpendicular to a surface

a)

Gravity

b)

Electromagnetic

c)

Normal

d)

Tension

14.

A force that acts along a cord, rope, string or chain pulling on an object

a)

Gravity

b)

Electromagnetic

c)

Normal

d)

Tension

15.

Force that exists between two solid surfaces due to the fact that they are not completely smooth

a)

Normal

b)

Friction

c)

Inertia

d)

Contact

16.

Type of force that exists between two objects; they must touch each other

a)

Normal

b)

Friction

c)

Inertia

d)

Contact

17.

Not a force, but a property of mass that resists a change in motion

a)

Normal

b)

Friction

c)

Inertia

d)

Contact

18.

A 4.00 kg mass hangs from the ceiling, supported by a cable. What is it's weight? (g=-9.8 N/kg)

a)

-39.2 N

b)

-4.00 kg

c)

+4.00 kg

d)

+39.2 N

19.

A 4.00 kg mass hangs from the ceiling, supported by a cable. What is it's mass?

a)

-39.2 N

b)

-4.00 kg

c)

4.00 kg

d)

39.2 N

20.

A parachutist just jumped out of a plane. What forces act on her? (vertical velocity = 0 m/s)

a)

Gravity

b)

Tension

c)

Normal

d)

Air resistance