Q.1.
A roller coaster whose average speed ism/s is at the top of ahill and weighs 966N. At the top of the hill the coaster car has ___________________ energy.
Q.2.
Which statement illustrates work done?
Q.3.
The is the energy due to the splitting of atoms.
Q.4.
IfJoules were necessary to move a 4 Newton crate, how far was the crate moved?
Q.5.
This is energy that is stored for later use.
Q.6.
This is energy that is stored for later use.
Q.7.
What type of simple machine is a wheelchair access ramp?
Q.8.
Which type of energy converts matter into energy?
Q.9.
Two workers useN of force to move a sofa 2 meters in 2 seconds. How much power is required?
Q.10.
A soccer player kicks a ball withNewtons of force causing it to travelmeters. How much work is done on the ball?
Q.11.
A cannon shoots aN stunt performerm. How much work is done on the performer?
Q.12.
What type of simple machine is a bike pedal?
Q.13.
Which of the following is defined as work done per unit time?
Q.14.
What type of energy do we use to cook food?
Q.15.
How much work is done in holding aN sack of potatoes while waiting in line at the grocery store for 3 minutes?
Q.16.
What are two things required for work to be done? Check all that apply.
Q.17.
J of work is done lifting a 20.0 N book in the air. How high was it lifted?
Q.18.
Light is an example of _________
Q.19.
Which energy-conversion chain occurs whenever coal is burned to create steam to spin the generator at a power station?
Q.20.
The amount by which a machine multiplies input force is known as the