Work, energy and power lessons
48 animated step-by-step lessons (Physics). Work done by a force, kinetic and potential energy, and power.
Showing 1–24 of 48
- Video lesson0:44PhysicsHigh school2 stepsA 10 N force pulls a box 5 m at 60° to the direction of motion. How much work does it do?
Work, energy and power
- Video lesson0:44PhysicsHigh school2 stepsA 50 N force pulls a box 12 m at 0° to the direction of motion. How much work does it do?
Work, energy and power
- Video lesson0:44PhysicsHigh school2 stepsA 25 N force pulls a box 8 m at 30° to the direction of motion. How much work does it do?
Work, energy and power
- Video lesson0:44PhysicsHigh school2 stepsA 120 N force pulls a box 3 m at 45° to the direction of motion. How much work does it do?
Work, energy and power
- Video lesson0:44PhysicsHigh school2 stepsA 40 N force pulls a box 20 m at 0° to the direction of motion. How much work does it do?
Work, energy and power
- Video lesson0:44PhysicsHigh school2 stepsA 75 N force pulls a box 6 m at 60° to the direction of motion. How much work does it do?
Work, energy and power
- Video lesson0:44PhysicsHigh school2 stepsA 200 N force pulls a box 2.5 m at 30° to the direction of motion. How much work does it do?
Work, energy and power
- Video lesson0:44PhysicsHigh school2 stepsA 15 N force pulls a box 40 m at 0° to the direction of motion. How much work does it do?
Work, energy and power
- Video lesson0:44PhysicsHigh school2 stepsA 90 N force pulls a box 10 m at 37° to the direction of motion. How much work does it do?
Work, energy and power
- Video lesson0:44PhysicsHigh school2 stepsA 32 N force pulls a box 9 m at 53° to the direction of motion. How much work does it do?
Work, energy and power
- Video lesson0:44PhysicsHigh school2 stepsA 60 N force pulls a box 7 m at 25° to the direction of motion. How much work does it do?
Work, energy and power
- Video lesson0:44PhysicsHigh school2 stepsA 18 N force pulls a box 14 m at 0° to the direction of motion. How much work does it do?
Work, energy and power
- Video lesson0:34PhysicsHigh school2 stepsFind the kinetic energy of a 2 kg object moving at 3 m/s
Work, energy and power
- Video lesson0:35PhysicsHigh school2 stepsFind the kinetic energy of a 1200 kg object moving at 25 m/s
Work, energy and power
- Video lesson0:35PhysicsHigh school2 stepsFind the kinetic energy of a 0.15 kg object moving at 40 m/s
Work, energy and power
- Video lesson0:34PhysicsHigh school2 stepsFind the kinetic energy of a 70 kg object moving at 8 m/s
Work, energy and power
- Video lesson0:34PhysicsHigh school2 stepsFind the kinetic energy of a 5 kg object moving at 12 m/s
Work, energy and power
- Video lesson0:35PhysicsHigh school2 stepsFind the kinetic energy of a 0.06 kg object moving at 300 m/s
Work, energy and power
- Video lesson0:35PhysicsHigh school2 stepsFind the kinetic energy of a 900 kg object moving at 15 m/s
Work, energy and power
- Video lesson0:34PhysicsHigh school2 stepsFind the kinetic energy of a 60 kg object moving at 6 m/s
Work, energy and power
- Video lesson0:34PhysicsHigh school2 stepsFind the kinetic energy of a 0.5 kg object moving at 20 m/s
Work, energy and power
- Video lesson0:35PhysicsHigh school2 stepsFind the kinetic energy of a 3000 kg object moving at 10 m/s
Work, energy and power
- Video lesson0:34PhysicsHigh school2 stepsFind the kinetic energy of a 8 kg object moving at 2.5 m/s
Work, energy and power
- Video lesson0:34PhysicsHigh school2 stepsFind the kinetic energy of a 45 kg object moving at 4 m/s
Work, energy and power
- Video lesson0:39PhysicsHigh school3 stepsA 2 kg ball has 100 J of kinetic energy. How fast is it moving?
Work, energy and power
- Video lesson0:39PhysicsHigh school3 stepsA 4 kg ball has 450 J of kinetic energy. How fast is it moving?
Work, energy and power
- Video lesson0:39PhysicsHigh school3 stepsA 50 kg ball has 2500 J of kinetic energy. How fast is it moving?
Work, energy and power
- Video lesson0:39PhysicsHigh school3 stepsA 0.5 kg ball has 36 J of kinetic energy. How fast is it moving?
Work, energy and power
- Video lesson0:39PhysicsHigh school3 stepsA 8 kg ball has 1600 J of kinetic energy. How fast is it moving?
Work, energy and power
- Video lesson0:39PhysicsHigh school3 stepsA 5 kg ball has 90 J of kinetic energy. How fast is it moving?
Work, energy and power
- Video lesson0:45PhysicsHigh school2 stepsHow much gravitational potential energy does a 2 kg mass gain when lifted 10 m (g = 9.81 m/s²)?
Work, energy and power
- Video lesson0:45PhysicsHigh school2 stepsHow much gravitational potential energy does a 60 kg mass gain when lifted 3 m (g = 9.81 m/s²)?
Work, energy and power
- Video lesson0:45PhysicsHigh school2 stepsHow much gravitational potential energy does a 0.5 kg mass gain when lifted 25 m (g = 9.81 m/s²)?
Work, energy and power
- Video lesson0:45PhysicsHigh school2 stepsHow much gravitational potential energy does a 1000 kg mass gain when lifted 12 m (g = 9.81 m/s²)?
Work, energy and power
- Video lesson0:45PhysicsHigh school2 stepsHow much gravitational potential energy does a 75 kg mass gain when lifted 40 m (g = 9.81 m/s²)?
Work, energy and power
- Video lesson0:45PhysicsHigh school2 stepsHow much gravitational potential energy does a 5 kg mass gain when lifted 1.5 m (g = 9.81 m/s²)?
Work, energy and power
- Video lesson0:45PhysicsHigh school2 stepsHow much gravitational potential energy does a 12 kg mass gain when lifted 8 m (g = 9.81 m/s²)?
Work, energy and power
- Video lesson0:45PhysicsHigh school2 stepsHow much gravitational potential energy does a 0.2 kg mass gain when lifted 100 m (g = 9.81 m/s²)?
Work, energy and power
- Video lesson0:45PhysicsHigh school2 stepsHow much gravitational potential energy does a 250 kg mass gain when lifted 6 m (g = 9.81 m/s²)?
Work, energy and power
- Video lesson0:45PhysicsHigh school2 stepsHow much gravitational potential energy does a 3 kg mass gain when lifted 20 m (g = 9.81 m/s²)?
Work, energy and power
- Video lesson0:31PhysicsHigh school2 stepsA motor does 1200 J of work in 60 s. What is its power?
Work, energy and power
- Video lesson0:31PhysicsHigh school2 stepsA motor does 5000 J of work in 20 s. What is its power?
Work, energy and power
- Video lesson0:31PhysicsHigh school2 stepsA motor does 300 J of work in 4 s. What is its power?
Work, energy and power
- Video lesson0:31PhysicsHigh school2 stepsA motor does 9000 J of work in 30 s. What is its power?
Work, energy and power
- Video lesson0:31PhysicsHigh school2 stepsA motor does 450 J of work in 1.5 s. What is its power?
Work, energy and power
- Video lesson0:32PhysicsHigh school2 stepsA motor does 72000 J of work in 3600 s. What is its power?
Work, energy and power
- Video lesson0:31PhysicsHigh school2 stepsA motor does 800 J of work in 16 s. What is its power?
Work, energy and power
- Video lesson0:31PhysicsHigh school2 stepsA motor does 2400 J of work in 8 s. What is its power?
Work, energy and power
More topics in Physics
- Newton's laws and weight (32)
- Friction (8)
- Momentum and collisions (29)
- Kinematics (22)
- Projectile motion (12)
- Electric circuits (29)