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The efficiency of a ramp is 75%. If the amount of work input is 240 J, what is the amount of useful work output.
inclined plane
less force
true
changes both the direction and magnitude of the force
3400 J
180 J
354 J
2
What is the mechanical advantage of a single movable pulley
inclined plane
less force
true
changes both the direction and magnitude of the force
3400 J
180 J
354 J
2
an inclined plane
inclined plane
less force
true
changes both the direction and magnitude of the force
3400 J
180 J
354 J
2
what is the kinetic energy of a 1.4 kg discus with a speed of 22.5 m/2
inclined plane
less force
true
changes both the direction and magnitude of the force
3400 J
180 J
354 J
2
If a person tries to life a heavy box for 5 seconds and can't make it budge, the work down is less than zero
inclined plane
less force
true
changes both the direction and magnitude of the force
3400 J
180 J
354 J
2
a wedge is a modified
inclined plane
less force
true
changes both the direction and magnitude of the force
3400 J
180 J
354 J
2
what is the gravitational potential energy of a 54 kg box that is 8m above the ground
inclined plane
less force
true
changes both the direction and magnitude of the force
3400 J
180 J
354 J
2
Lifting a car using a jack is easier because it requires
inclined plane
less force
true
changes both the direction and magnitude of the force
3400 J
180 J
354 J
2
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