Physical Science Exam

A force of 100 N was necessary to lift a rock. A total of 150J was done. How far was the rock lifted?

• 1.5 m

• 15 m

• .15 m

How much force would a car have if it has a mass of 3,000 kg and has an acceleration of 2 m/s/s?

• 600 N

• 60,000 N

• 6,000 N

Tags

NGSS.MS-PS2-2

What is the acceleration of a softball, if it has a mass of .50 kg and hits the catcher's mitt with a force of 25 N?

• 50 m/s/s

• 250 m/s/s

• 5 m/s/s

Tags

NGSS.MS-PS2-2

What is the acceleration of a car, if it goes from a standstill to 60 km/hr in 10 seconds?

• 6 km/h/s

• 60 km/h/s

• .6 km/h/s

Tags

NGSS.MS-PS2-2

A sample of iron has the dimensions of 2cm x 3cm x 2cm. If the mass of this rectangular shaped object is 94 g; what is its density?

• 7.83 g/cm3

• 7.90 g/cm3

• 7.80 g/cm3

A book weighing 1.0 N is lifted 2 meters. How much work is done?

• 5 J

• 2 J

• 2 N

A 10 cm3 sample of copper has a mass of 89.6 g. What is the density of copper?

• 9.0 g/mL

• 8.96 g/cm3

• 9.0 g/cm3

It took 50 J to push a chair 5 meters across the floor. With what force was the chair pushed?

• 10 N

• 100 N

• 25 N

Tags

NGSS.MS-PS2-2

How much work is done using a 500 watt microwave oven for 5 minutes?

• 1500 J

• 150,000 J

• 150 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Define Newton's first law of motion (Inertia)

• an object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force

• F = ma

• for every action there is an equal and opposite reaction.