GCA PS SPS8 Motion Midyear Final Review

Front

What is displacement?

Back

Displacement is the distance an object has moved from its starting point in a specific direction.

Front

If an object has a mass of 18 grams on Earth, what is its mass on the Moon?

Back

The mass of the object remains 18 grams on the Moon.

Front

How do you calculate average speed?

Back

Average speed is calculated by dividing the total distance traveled by the total time taken.

Front

What is the average speed of a dog that covers 15 meters in 3 seconds?

Back

5 m/s

Front

Which object requires the most force to accelerate?

Back

A 747 airplane with a mass of 412,000 kg requires the most force to accelerate.

Front

What is mechanical advantage in the context of levers?

Back

Mechanical advantage is the ratio of the output force to the input force in a lever system.

Front

How do you calculate mechanical advantage?

Back

Mechanical advantage (MA) = Output Force / Input Force.

Front

What is the formula for calculating force?

Back

Force (F) = Mass (m) x Acceleration (a).

Front

What is the relationship between mass and weight?

Back

Weight is the force exerted by gravity on an object, calculated as Weight = Mass x Gravity.

Front

What is the unit of force in the International System of Units (SI)?

Back

The unit of force is the Newton (N).