If the mass of the object in the diagram is 2kg, what would its acceleration be and in what direction?
If the mass of the object in the diagram is 2kg, what would its acceleration be and in what direction?
If you increase the mass of an object, what happens to its inertia?
If the mass of the object in the diagram is 2kg, what would its acceleration be and in what direction?
Debra hits a volleyball with a force of 3 N. It accelerates 3.8 m/s2. What is the mass of the volleyball in kilograms?
The diagram shows a 4.0 kg object accelerating at 10 m/s2 on a rough, horizontal surface. What is the magnitude of the kinetic frictional force (Ff, kinetic) acting on the object?
The diagram below shows a roller coaster track. Points A-E indicate locations of the roller coaster car at different times as it travels along the track. Which statement below is correct?
John applies a 7 N force on his bike to the right. The bike has a normal force of 3 N and experiences a frictional force of 2 N. What is the net force on the bike?
A 70 kg skier was relaxing after a long day on the slopes. What is the skier’s weight on earth? (number only)
The skier in question #7 is standing in line for some hot chocolate, what normal force will he experience? (number only)
Santa climbs up a 4 m ladder to reach the chimney of your house. If his mass is 155 kg, how much work did he do to climb the ladder? (number only)
Joe climbs a 2.7m flight of stairs in 3 seconds. His mass is 70kg. How much power did he use to climb these stairs?
Lesley the daredevil jumps off of the Empire State Building. Her mass is 87 kg. The Empire State building is 380 m tall. What is her mechanical energy halfway to the ground? (number only)
A block with a mass of 4.0 kg is pushed on a frictionless surface by applying a horizontal force of 70.0 N. The block starts from rest, and its final velocity is 14.2 m/s. Knowing the kinetic energy changes, how much work is done on the block?
Miles Morales was relaxing on the side of a building. He was 80 m off the ground and has a mass of 75 kg. How much gravitational potential energy does Miles have? (number only)
Spongebob is sitting on top of a rock to get back home. If Spongebob and the rock have a combined mass of 312 kg and are moving with a velocity of 21 m/s, then how much kinetic energy does Spongebob have? (number only)
Super Mario is standing on a 2m tall mushroom. When he jumps off of it, what will his velocity be right as he is about to hit the ground? (number only rounded to nearest tenth ex: 4.2)