Forces
What tool is used to measure force?
What is spring scale
Which law is known as the law of inertia?
What is 1st law
Write the formula for speed.
what is speed=distance/time
What is velocity includes direction
On a distance-time graph a straight horizontal line means what?
What is the object is stopped
A push or pull is called a ______
What is force
Which law explains why rockets can launch into space?
What is 3rd law
a car travels 100 km in 2 hrs. what is its speed?
what is 50km/h
A plane flies 600 km North in 2 hours. What is its velocity?
What is 300 km/h north
On a distance-time graph, a steep slope means what?
What is faster speed
What happens when forces are balanced?
What is no change in motion
Force = mass x _______
What is acceleration
a runner goes 400 m in 50 s. What is their speed in m/s?
What is 8m/s
What happens to velocity if you change direction but not speed?
What is velocity changes
What does the slope of a distance time graph represent?
What is speed
What is the net force if 10N right and 5 N left act on an object?
What is 5N right
What is it doubles
What's the average speed if you travel 60 km in 1 hr and then 40 km in 2 hrs?
What is 33.3km/h
A runner jogs 100m east in 20 s. What is the velocity?
What is 5m/s east
If a line goes downward on a distance-time graph, what does that mean?
What is returning to start
Name two types of friction.
What is static and kinetic (sliding/rolling)
A 10kg object accelerates at 2 m/s2. What is the net force?
What is 20N
Speed is a scalar quantity. What does that mean?
What is it only has magnitude, not direction
Velocity is ______ quantity.
What is vector
On a velocity-time graph, a horizontal line above zero means what?
What is constant velocity