Work and Energy Problems

A 12 N is used to push a crate 2 m across a concrete floor. Calculate how much energy was used.

What kind of energy was used to move the crate?
1. Work
2. Kinetic Energy
3. Gravitational Potential Energy
4. Elastic Potential Energy
A 12 N is used to push a crate 2 m across a concrete floor. Calculate how much energy was used.

W = ?
What is 12 N?
1. t (time)
2. m (mass)
3. v (velocity)
4. a (acceleration)
5. F (force)
6. W (work)
7. KE (Kinetic Energy)
8. d (distance)
9. p (momentum)
A 12 N is used to push a crate 2 m across a concrete floor. Calculate how much energy was used.

W = ?
F = 12 N
What is 2 m?
1. t (time)
2. m (mass)
3. v (velocity)
4. a (acceleration)
5. F (force)
6. W (work)
7. KE (Kinetic Energy)
8. d (distance)
9. p (momentum)
A 12 N is used to push a crate 2 m across a concrete floor. Calculate how much energy was used.

W = ?
F = 12 N
d = 2 m

Which equation should you use?
1. S = D/T
2. a = Δv/Δt
3. F = ma
4. W = Fd
5. p = mv
6. KE = (1/2)mv²
7. GPE = mgh
A 12 N is used to push a crate 2 m across a concrete floor. Calculate how much energy was used.

W = ?
F = 12 N
d = 2 m
W = Fd

Which of the following is correct?
1. W = F - d
2. W = F + d
3. W = F x d
4. W = F ÷ d
A 12 N is used to push a crate 2 m across a concrete floor. Calculate how much energy was used.

W = ?
F = 12 N
d = 2 m
W = Fd = ___

Enter the magnitude (amount) of work without units.
1. 10
2. 12
3. 14
4. 6
5. 24
6. 48
A 12 N is used to push a crate 2 m across a concrete floor. Calculate how much energy was used.

W = ?
F = 12 N
d = 2 m
W = Fd = 24 __

Enter the appropriate units for work (abbreviated).
1. m/s
2. m
3. w
4. J
5. N
6. m/s²
7. sec
A 10 kg ball is rolling 2 m/s. Calculate how much energy it has.

What kind of energy does the ball have?
1. Work
2. Kinetic Energy
3. Gravitational Potential Energy
4. Elastic Potential Energy
A 10 kg ball is rolling 2 m/s. Calculate how much energy it has.

KE = ?
What is 10 kg?
1. t (time)
2. m (mass)
3. v (velocity)
4. a (acceleration)
5. F (force)
6. W (work)
7. KE (Kinetic Energy)
8. GPE (Gravitational Potential Energy)
9. p (momentum)
A 10 kg ball is rolling 2 m/s. Calculate how much energy it has.

KE = ?
m = 10 kg
What is 2 m/s?
1. t (time)
2. m (mass)
3. v (velocity)
4. a (acceleration)
5. F (force)
6. W (work)
7. KE (Kinetic Energy)
8. GPE (Gravitational Potential Energy)
9. p (momentum)
A 10 kg ball is rolling 2 m/s. Calculate how much energy it has.

KE = ?
m = 10 kg
v = 2 m/s

Which equation should you use?
1. S = D/T
2. a = Δv/Δt
3. F = ma
4. W = Fd
5. p = mv
6. KE = (1/2)mv²
7. GPE = mgh
A 10 kg ball is rolling 2 m/s. Calculate how much energy it has.
Variables:
KE = ?
m = 10 kg
v = 2 m/s
Equation: KE = (1/2)mv²

Which of the following is correct?
1. KE = (1/2)x10x2
2. KE = (1/2)x10x2x2
3. KE = (1/2)x2x10x10
4. KE = (1/2)x2x10
A 10 kg ball is rolling 2 m/s. Calculate how much energy it has.
Variables:
KE = ?
m = 10 kg
v = 2 m/s
Equation: KE = (1/2)mv²
KE = (1/2)x10x2x2

Enter the correct amount of kinetic energy (don't worry about units yet).
1. 10
2. 15
3. 20
4. 30
5. 35
6. 40
A 10 kg ball is rolling 2 m/s. Calculate how much energy it has.
Variables:
KE = ?
m = 10 kg
v = 2 m/s
Equation: KE = (1/2)mv²
KE = (1/2)x10x2x2
KE = 20 __

Enter the correct units for kinetic energy (abbreviated, please).
1. m/s
2. m
3. w
4. J
5. N
6. m/s²
7. sec
A 4 kg rock is sitting 3 m up on the edge of a ledge. Calculate how much energy it has.

What kind of energy does the rock have?
1. Work
2. Kinetic Energy
3. Gravitational Potential Energy
4. Elastic Potential Energy
A 4 kg rock is sitting 3 m up on the edge of a ledge. Calculate how much energy it has.

GPE = ?
What is 4 kg?
1. t (time)
2. m (mass)
3. v (velocity)
4. a (acceleration)
5. F (force)
6. W (work)
7. KE (Kinetic Energy)
8. GPE (Gravitational Potential Energy)
9. p (momentum)
A 4 kg rock is sitting 3 m up on the edge of a ledge. Calculate how much energy it has.

GPE = ?
m = 4 kg
What is 3 m?
1. t (time)
2. m (mass)
3. v (velocity)
4. a (acceleration)
5. F (force)
6. W (work)
7. KE (Kinetic Energy)
8. h (height)
9. p (momentum)
A 4 kg rock is sitting 3 m up on the edge of a ledge. Calculate how much energy it has.

GPE = ?
m = 4 kg
h = 3 m

Which equation should you use?
1. S = D/T
2. a = Δv/Δt
3. F = ma
4. W = Fd
5. p = mv
6. KE = (1/2)mv²
7. GPE = mgh
A 4 kg rock is sitting 3 m up on the edge of a ledge. Calculate how much energy it has.

GPE = ?
m = 4 kg
h = 3 m
GPE = mgh

What is "g" in the equation?
1. grams
2. gravity
3. kilograms
4. weight
A 4 kg rock is sitting 3 m up on the edge of a ledge. Calculate how much energy it has.

GPE = ?
m = 4 kg
h = 3 m
GPE = mgh
g = acceleration of gravity

How much is "g"?
1. g = 5 m/s²
2. g = 15 m/s²
3. g = 9.8 m/s²
4. g = 8 m/s²
5. g = 7.8 m/s²
A 4 kg rock is sitting 3 m up on the edge of a ledge. Calculate how much energy it has.

GPE = ?
m = 4 kg
h = 3 m
g = 10 m/s² (rounded from 9.8 m/s²)
GPE = mgh

Which of the following is correct?
1. GPE = m + g + h
2. GPE = m x g x h
3. GPE = m - g - h
4. GPE = m ÷ g ÷ h
A 4 kg rock is sitting 3 m up on the edge of a ledge. Calculate how much energy it has.

GPE = ?
m = 4 kg
h = 3 m
g = 10 m/s² (rounded from 9.8 m/s²)
GPE = mgh

Enter the magnitude (amount) of Gravitational Potential Energy without units.
1. 10
2. 30
3. 40
4. 70
5. 80
6. 100
7. 120
A 4 kg rock is sitting 3 m up on the edge of a ledge. Calculate how much energy it has.

GPE = ?
m = 4 kg
h = 3 m
g = 10 m/s² (rounded from 9.8 m/s²)
GPE = mgh = 120 __

Enter the appropriate units for gravitational potential energy (abbreviated).
1. m/s
2. m
3. w
4. J
5. N
6. m/s²
7. sec