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1.When force is applied on an object, resulting in the movement of that object, ______ is said to be done.
A.Work
B.Energy
C.Force
D.Power

2.Calculate the work done when a force of 20 Newtons acts through a distance of 47 meters in the direction of force
A.0.43 J
B.940 J
C.2.35 N
D.67 N

3.If a 10 kilogram object accelerates suddenly at 15m/s² , How much force was applied to the object?
A.15 Newtons
B.150 Kilograms
C.15 Kilograms
D.150 Newtons

4.A ball is moving in a certain direction. What would happen to the ball if greater force was applied on the ball along it's direction of motion?
A.The ball will stop instantly
B.The speed of the ball would increase
C.The ball will change direction
D.The speed of tge ball would decrease

5.What is the average power of an elevator if it takes 100,000 N to lift it 24meters in 10minutes and 25 seconds?
A.3,840 W
B.234,146.34 W
C.625 W
D.2,400,000 W

6.Which of the following best describe Kinetic Energy?
A.a car parked on a hill
B.a picture hanging on the wall
C.a tennis ball rolling across the court
D.a lady that is waiting to stop the rain

7.Which force produces a change in motion?
A.Unbalanced force
B.Balanced force
C.Gravitational force
D.Frictional force

8.A girl carries a heavy suitcase quickly up a flight of stairs. A boy of the same weight carries the same suitcase slowly up the flight of stairs. Which statement is true?
A.The girl did less work and less power that the boy.
B.The girl had less power than the boy.
C.The girl did more work and had more power that the boy.
D.The girl had average power than the boy.

9.Which of the following objects has the least acceleration.
A.An empty shopping cart pushed with a hard force.
B.A full shopping cart pushed with a hard force.
C.An empty shopping cart pushed with a light forced.
D.A full shopping cart pushed with a light force.

10.A person steps out of the boat and onto the dock. As the person moves forward onto the dock, the boat moves backward. Which statement best describes the backward motion of the boat as the person steps forward?
A.Every mass exerts a force on every other mass.
B.An object at rest tends to stay at rest.
C.For every action there is an equal and opposite reaction.
D.Friction opposes the motion of an object.

​

Sagot :

Dollandyuson10idn

Explanation:

1.When force is applied on an object, resulting in the movement of that object, ______ is said to be done.

A.Work

B.Energy

C.Force

D.Power

2.Calculate the work done when a force of 20 Newtons acts through a distance of 47 meters in the direction of force

A.0.43 J

B.940 J

C.2.35 N

D.67 N

3.If a 10 kilogram object accelerates suddenly at 15m/s² , How much force was applied to the object?

A.15 Newtons

B.150 Kilograms

C.15 Kilograms

D.150 Newtons

4.A ball is moving in a certain direction. What would happen to the ball if greater force was applied on the ball along it's direction of motion?

A.The ball will stop instantly

B.The speed of the ball would increase

C.The ball will change direction

D.The speed of tge ball would decrease

5.What is the average power of an elevator if it takes 100,000 N to lift it 24meters in 10minutes and 25 seconds?

A.3,840 W

B.234,146.34 W

C.625 W

D.2,400,000 W

6.Which of the following best describe Kinetic Energy?

A.a car parked on a hill

B.a picture hanging on the wall

C.a tennis ball rolling across the court

D.a lady that is waiting to stop the rain

7.Which force produces a change in motion?

A.Unbalanced force

B.Balanced force

C.Gravitational force

D.Frictional force

8.A girl carries a heavy suitcase quickly up a flight of stairs. A boy of the same weight carries the same suitcase slowly up the flight of stairs. Which statement is true?

A.The girl did less work and less power that the boy.

B.The girl had less power than the boy.

C.The girl did more work and had more power that the boy.

D.The girl had average power than the boy.

9.Which of the following objects has the least acceleration.

A.An empty shopping cart pushed with a hard force.

B.A full shopping cart pushed with a hard force.

C.An empty shopping cart pushed with a light forced.

D.A full shopping cart pushed with a light force.

10.A person steps out of the boat and onto the dock. As the person moves forward onto the dock, the boat moves backward. Which statement best describes the backward motion of the boat as the person steps forward?

A.Every mass exerts a force on every other mass.

B.An object at rest tends to stay at rest.

C.For every action there is an equal and opposite reaction.

D.Friction opposes the motion of an object.