Force and Motion (SJM)

When you rub your hand heat energy is generated because of _____

In what condition the magnetic poles attract each other?

Is the force usually exerted by a surface on an object that is resisting against it.

Are forces applied when the objects involved are in direct contact.

Are forces applied when the objects involved are in direct contact.

Force is measured in

Work is measured in

All of these are measured in joules EXCEPT

SI unit for weight

Speed and velocity are measured in the same SI unit

Newtons could be used to measure __________ and __________.

Newtons could be used to measure __________ and __________.

A soccer ball sitting on the ground motionless.

A book sitting on a shelf.

A skier skiing through flags in a race down the mountain.

Two ice skaters moving in a straight line at a constant speed.

A car accelerating around a mountain curve.

The moon orbiting the Earth at a constant speed.

The moon orbiting the Earth at a constant speed.

The name for this type of diagram is...

Which diagram best shows person pushing a couch (accelerating) across the floor?

If this object were moving right, the left-arrow in this diagram is most-likely:

The up-arrow in this diagram is most-likely:

The net forces on this object are pushing or pulling in these directions: (pick all that are correct)

The down-arrow in this diagram is most-likely:

What is the NET FORCE of this diagram?

What is the NET FORCE of this diagram?

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

Bill jogs 400 meters to Andy's house, turns around, and runs 400 meters back home. He does so in 267 seconds. What is Bill's average speed?

Bill jogs 400 meters to Andy's house, turns around, and runs 400 meters back home. He does so in 267 seconds. What is Bill's average speed?