Maia and Mavie's Physics Jeopardy

Units

100

What is the base unit for mass?

Kilograms (kg)

200

What are the units for velocity?

Meters per second (m/s)

300

Newtons (N) are the units for...?

Force

400

What are the units for energy?

Joules (J)

500

kg(m/s) are the units for...?

Momentum

Energy/Work

100

What is the equation for kinetic energy?

KE = 1/2mv²

200

mgh = ?

Gravitational Potential Energy

300

The initial potential energy of an object is 50 J. What is the final kinetic energy of the object?

50 J

400

What is the work done when a block is pushed 3 meters by a 10N force?

30 J

500

When an object's initial potential energy is 100 J, what is the final kinetic energy when 10 J are converted to heat?

90 J

Impulse/Momentum

100

What is the equation for momentum?

p = mv

200

True or False? 

Momentum is a vector.

True

300

If the initial momentum of 2 objects is 6 kg(m/s), what is the final momentum of the objects?

6 kg(m/s)

400

J = Ft = ?

Change in momentum

500

When the impulse of an object is 70 J and the force is 10 N, what is the time?

7 seconds

Kinematics

100

What is an object's acceleration in free fall?

9.81 m/s²

200

When an object is in free fall, what forces are acting on it?

The force of gravity (F_g) is the only force acting on the object.

300

Name the missing variable:

v_f² = v_i²+2[?]d

a (acceleration)

400

Is a car moving at a constant speed in equilibrium?

Yes

500

A car is travelling at 10 m/s. It accelerates at 5 m/s² for 4 seconds. What is the car's final velocity?

v_f = 10 m/s + (5 m/s²)(4 s)

v_f = 30 m/s

Scalar vs Vector

100

True or False?

Velocity is scalar.

False

200

Is energy scalar or vector?

Scalar

300

Give an example of a scalar quantity. 

Ex: Time, mass, distance, etc.

400

What does scalar mean?

A quantity that only has magnitude

500

What does vector mean?

A quantity that has both magnitude and direction