Science: Matter and Energy QUIZ 5 (Sect. 3.1-3.2)

When Olivia presses the accelerator in her car and the car speeds up, this change in velocity is called __?__.

• acceleration

• friction

• momentum

• distance

Tags

NGSS.MS-PS2-2

Olivia is pushing a box across the floor. The SI unit of force that she applies is the __?__.

• newton

• joule

• watt

• pascal

Hannah is watching a train move past her as she stands on the platform. The space relative to which Hannah measures the train's motion is called a(n) __?__.

• frame of reference

• origin point

• velocity zone

• motion tracker

Jackson is analyzing the forces acting on a car as it moves down a hill. He draws a diagram that represents the forces on the car without considering their causes or the reaction forces. This type of diagram is a(n) __?__ diagram.

• free-body

• vector

• circuit

• phase

Emma is pushing a box that has a mass of 2.5 kg. What force does she need to apply to accelerate the box at 3.0 m/s²?

• 7.5 N

• 5.5 N

• 6.0 N

• 8.0 N

Tags

NGSS.MS-PS2-2

A person is pushing a 50. kg box to the right with a force of 185 N. A frictional force of 175 N pushes the box left, giving a net force of 10. N. What is the box’s magnitude of acceleration?

• 0.20 m/s²

• 0.50 m/s²

• 2.0 m/s²

• 5.0 m/s²

Tags

NGSS.MS-PS2-2

When Mia presses the gas pedal in her car and the car speeds up, this change in velocity is called ___?

Charlotte is measuring the force needed to push a box across the floor. She records the value in the SI unit of ___?

Michael is sitting in a train and looking out the window. To understand how fast the trees are moving past him, he needs to decide what space to measure their motion relative to. The space relative to which motion is measured is called a(n) ___?

When Luna analyzes the forces acting on a box she is pushing, without considering what causes those forces or any reaction forces, she is drawing a ___ diagram.