# 1
pumili
What is the SI unit of acceleration?
What is the SI unit of acceleration?
- centimeter per second (cm/s)
- meters per hour (m/h)
- joule (J)
- meter per second squared (m/s²)
What is the SI unit of acceleration?
Which type of quantity has only magnitude but no direction?
Displacement
Force
Scalar
Vector
What is the formula for force according to Newton’s Second Law?
A. F = m/v
B. F = ma
C. F = a/m
D. F = m + a
Which force resists motion between two touching surfaces?
A. Friction
B. Gravity
C. Tension
D. Magnetic force
What is motion defined as?
Speed without direction
Amount of matter in an object
Energy contained in an object
Change in position over time relative to a point
Which statement BEST explains why thermal energy is considered a form of kinetic energy?
A. It cannot be transferred between objects
B. It depends on the stored chemical bonds in matter
C. It is produced only when objects are in direct contact
D. It results from the random motion of particle
Which device mainly converts electrical energy into mechanical energy?
A. Ceiling fan
B. Flashlight
C. Oven
D. Television
A delivery rider uses a modern bicycle with lightweight materials, efficient gears, and improved brakes. Which statement best explains how physics principles in its design enhance both safety and pr
A. Lightweight materials make the bicycle less durable.
B. Strong brakes make the bicycle heavier, increasing stability
C. Efficient gears reduce maintenance costs and improve appearance
D. Lightweight materials reduce effort, while improved brakes increase control
Which term refers to the movement of an object in a straight path?
A. Acceleration
B. Rotation
C. Translation
D. Velocity
Which of the following is measured in radians?
A. Angular displacement
B. Force
C. Linear displacement
D. Mass
What is the SI unit of angular velocity?
A. m/s²
B. m/s
C. rad/s
D. rad/s²
Which term refers to the distance traveled by a rotating object per unit time?
A. Angular displacement
B. Angular velocity
C. Linear velocity
D. Linear acceleration
A ceiling fan spins at a constant speed. Which physical quantity remains unchanged if the rotation rate is steady?
A. Angular velocity
B. Angular momentum
C. Angular acceleration
D. Angular displacement
Which situation shows rotational motion being converted into translational motion?
A. A drill bit spinning in place
B. An elevator moving straight up
C. A child spinning on a merry-go-round
D. A bicycle wheel rolling forward and moving the bike
What do we call the straight-line distance covered by a moving object?
A.Torque
B. Angular velocity
C. Rotational inertia
D. Linear displacement
What type of motion describes rotation around a fixed point?
A. Angular motion
B. Linear motion
C. Translational motion
D. Uniform motion
What quantity measures the rate of change of angular displacement?
A.Torque
B. Angular velocity
C. Rotational inertia
D. Linear displacement
Which quantity describes how far an object rotates, measured in radians?
A. Angular momentum
B. Linear velocity
C. Linear displacement
D. Angular displacement
Which best describes the difference between translational and rotational motion?
A. Both involve only linear quantities.
B. Both involve only angular quantities.
C. Translational moves along a line; rotational moves around an axis.
D. Translational moves around an axis; rotational
In human movement like dancing, which shows the link between linear and angular quantities?
A. Angular speed does not affect linear speed.
B. Linear and angular quantities are unrelated.
C. Extending arms speeds up angular velocity and linear speed.
D. Linear speed depends on angular speed a