Physics
Grade-7
Easy
Question
What amount of work would a group of workers have performed if they could apply a force of 1,000 Newtons to move a crate 20 meters?
- 20,000 J
- 200 J
- 2,000 J
- 20 J
Hint:
20,000 J
The correct answer is: 20,000 J
W=F×d
W=1000×20
W=20000 J
Related Questions to study
Physics
What is the weight of a crate that requires 360 Joules of work to move a distance of 4 meters?
What is the weight of a crate that requires 360 Joules of work to move a distance of 4 meters?
PhysicsGrade-7
Physics
W = 125 J
d = 10 m
F = ???
W = 125 J
d = 10 m
F = ???
PhysicsGrade-7
Physics
F = 200 N
d = 50 m
W = ??
F = 200 N
d = 50 m
W = ??
PhysicsGrade-7
Physics
Which of the following shows the greatest work done?
Which of the following shows the greatest work done?
PhysicsGrade-7
Physics
When is positive work being done?
When is positive work being done?
PhysicsGrade-7
Physics
Which of the following is the best example of work being done?
Which of the following is the best example of work being done?
PhysicsGrade-7
Physics
Work done = Force x _________
Work done = Force x _________
PhysicsGrade-7
Physics
Which of the following is the most effective example of work?
Which of the following is the most effective example of work?
PhysicsGrade-7
Physics
What is the product of force and displacement?
What is the product of force and displacement?
PhysicsGrade-7
Physics
What is the unit of mass?
What is the unit of mass?
PhysicsGrade-7
Physics
Force is a _____ or _______
Force is a _____ or _______
PhysicsGrade-7
Biology
Under the favorable conditions of light, temperature and water the ____________ begins.
- Every seed has specific conditions for it's germination.
- Some seeds need low temperature to germinate like wheat while some seeds need high temperature to germinate like cotton.
Under the favorable conditions of light, temperature and water the ____________ begins.
BiologyGrade-7
- Every seed has specific conditions for it's germination.
- Some seeds need low temperature to germinate like wheat while some seeds need high temperature to germinate like cotton.
Biology
Seed germination is slowed, and ___________ development begins when the temperature falls below a moderate level.
- Low temperature can damage seeds and Stop their germination by development of fungus in them .
Seed germination is slowed, and ___________ development begins when the temperature falls below a moderate level.
BiologyGrade-7
- Low temperature can damage seeds and Stop their germination by development of fungus in them .
Biology
______________ aids in seed rupturing and transforms insoluble food into soluble form for transfer to the embryo.
- Water enters in seed cells through imbibition.
- It causes rupturing of seed coat by making it swollen and soft .
______________ aids in seed rupturing and transforms insoluble food into soluble form for transfer to the embryo.
BiologyGrade-7
- Water enters in seed cells through imbibition.
- It causes rupturing of seed coat by making it swollen and soft .
Biology
During ________________, the water and gas-resistant seed coat inhibits water intake and oxygen exchange.
- During seed dormancy seed coat prevents it from the harsh conditions.
- A seed doesn't germinate untill it doesn't get the suitable conditions for germination.
During ________________, the water and gas-resistant seed coat inhibits water intake and oxygen exchange.
BiologyGrade-7
- During seed dormancy seed coat prevents it from the harsh conditions.
- A seed doesn't germinate untill it doesn't get the suitable conditions for germination.